NEWS

### mate-control-center 1.29.0

### mate-control-center 1.28.0

  * Translations update
  * Meson: fix mate-time-admin directory error
  * Add meson build support
  * Remove libslab library
  * appearance: Fix compilation warnings replace deprecated functions
  * common: Fix compilation warnings replace deprecated functions gtk_rc_get_theme_dir and gtk_rc_scanner_new
  * typing-break: Force dependency on appindicator and remove deprecated GtkStatusIcon
  * typing-break: Fix compilation warnings and replace deprecated functions
  * Remove  "libwindow settings" that are no longer in use
  * capplets/display: Fix compilation warnings and replace deprecated functions
  * libslab: Fix compilation warnings and replace deprecated functions
  * font-viewer: Fix compilation warnings and replace deprecated functions
  * appearance: Remove useless match_wm_manager_init function
  * Add new capplets: system info
  * tx: fix warnings in Japanese and Serbian translations
  * Update glib2 dependency version from 2.50 to 2.64
  * libslab: Remove gdk/gdkx.h from includes
  * Wayland: remove xisms from screen width detection
  * windows: Fix UI accessibility (#704)
  * windows: Fix spacing in the Compositing Manager tab
  * Fix implicit conversion changes signedness: 'gboolean' to 'guint'
  * keybindings: fix memory leak
  * appearance: use mate_image_menu_item replace gtk_image_menu_item
  * keyboard: fix memory leak

### mate-control-center 1.27.0

  * Translations update
  * configure.ac: The macro 'AC_HELP_STRING' is obsolete
  * tx: update resource
  * tx: migrate config file
  * bookmark-agent: remove whitespaces before #if, #else, and #endif
  * bookmark-agent: fix backward compatibility with glib < 2.66
  * appearance-style: fix memory leak
  * Unnecessary GTK_WIDGET cast
  * Unnecessary G_OBJECT cast when calling signal connect function
  * Remove build warning -Wbad-function-cast
  * mate-theme-info: code formatting
  * common: fix memory leak detected by scan-build
  * keybindings: redundant initialization for 'p'
  * mate-da-capplet: fix memory leak
  * keyboard: fix memory leak
  * mouse: fix memory leak
  * Use a blank line at most
  * Fix build warnings about missing field initializer
  * g_queue_clear_full() is only available since glib 2.60.
  * common: fix memory leak
  * appearance: fix memory leak
  * Change capplets/about-me/mate-about-me-password.c for correct interract with passwd in rhel-based distros
  * tx: update resource
  * Remove redundant i18n functions
  * Maintain compatibility with Glibc versions older than 2.66. Fixes #655 (#659)

### mate-control-center 1.26.0

  * Translations update
    Replace the deprecated GtkTable with GtkGrid
    Replace the deprecated gtk_widget_set_state with gtk_widget_set_state_flags
    Remove useless and discarded gtk_button_released
    Replace the deprecated g_bookmark_file_get_modified with g_bookmark_file_get_modified_date_time
    Fix compilation warning
    Use gtk-cancel icon replace window-close icon
    update copyright to 2021

### mate-control-center 1.25.2

  * Translations update
  * windows-applet: csd windows respect titlebar button layout
  * windows-applet: add right and left (with menu) titlebar button layout options, respect custom values
  * windows-applet: group alt-tab options together, remove reduced resources option
  * appearance: Type column in GtkFileChooser requires gtk 3.24.12
  * time-admin: g_time_zone_new is deprecated from glib 2.68
  * display: remove conversion warnings
  * keybindings: use gtk_builder_new_from_resource
  * display: use gtk_builder_new_from_resource
  * default-applications: use gtk_builder_new_from_resource
  * appearance: use gtk_builder_new_from_resource
  * accessibility: use gtk_builder_new_from_resource
  * help: update default apps
  * i18n: fix an error that prevents showing the wallpaper name
  * display: frame spacing
  * Add adjust window scaling function for display preference and update display-capplet.ui file
  * windows: remove unused macros UIDIR, PIXMAPDIR
  * bookmark-agent: Function 'bookmark_agent_new' used prior to declaration
  * marco-window-manager: get XDG_DATA_DIRS (code portability)
  * Line comments // are not allowed (code style)
  * appearance: no previous prototype for 'wp_create_filechooser'
  * appearance: missing includes
  * Missing include guards
  * windows: avoid duplication of accelerator keys
  * windows: don't translate the spinbutton text, set the entry purpose
  * windows: show the translations in mate-window-properties dialog
  * libwindow-settings: no previous prototype for ‘window_manager_new’
  * windows: missing include mate-metacity-support.h (#624)
  * common: missing include gtkrc-utils.h
  * help: update copyright year to 2021

### mate-control-center 1.25.1

  * Translations update
  * time-admin: remove unused includes
  * build: allow users to disable gettext support (--disable-nls)
  * build: show the package version in the configure summary
  * mate-wm-manager: do not use dirent.h
  * mate-wm-manager: Use g_list_free_full
  * mate-wm-manager: compact the code using macros
  * mate-wm-manager: Remove warning -Wconversion
  * mate-wm-manager: directory parameter is an immutable string on scan_wm_directory
  * marco-window-manager: do not use dirent.h
  * libslab-utils: Remove dead function libslab_get_current_screen
  * libslab-utils: Remove libslab_strcmp and use g_strcmp0 instead
  * build: remove legacy variable MATE_ICONDIR
  * mate-keyboard-properties: drop create_dialog
  * mate-keyboard-properties: size groups on ui file
  * mate-keyboard-properties: Do not use stock icons on ui file
  * mate-keyboard-properties-dialog: upgrade ui label names
  * mate-mouse-properties: drop create_dialog
  * mate-mouse-properties: size groups on ui file
  * mate-mouse-properties: upgrade ui label names
  * Revisit windows applet, add allow-top-tiling option
  * Use G_BEGIN_DECLS/G_END_DECLS macros
  * Use g_slist_free_full
  * mate-theme-info: remove unused includes
  * mate-mouse-properties: remove unused includes
  * appearance: Add file chooser settings
  * xrandr-capplet: warning -Wincompatible-pointer-types
  * application-tile: warning -Wempty-body
  * appearance: Set icon-name in ui file
  * appearance: Introduce GET_WINDOW macro
  * Remove USE_MATE2_MACROS from autogen.sh (legacy)
  * mcc: windows-applet: Rewrite windows-properties.ui and add new settings.
  * appearance: Fix preview in Add Wallpaper dialog
  * Default applications: Add flac/x-flac format (mime-type) for media
  * keyboard-properties-a11y-notifications.ui: Fix a11y warnings
  * mate-about-me-fingerprint: Use g_variant_is_of_type for checking types
  * default-applications: Set icon-name in ui file
  * about-me: migrate from dbus-glib to GDBus
  * keyboard-a11y: Add UI for capslock-beep
  * Remove unused macros
  * Remove unused variable from capplet_notebook_scroll_event_cb
  * common: migrate to GDBus

### mate-control-center 1.25.0

  * Translations update
  * Add git.mk to generate .gitignore
  * shell-window: Remove unused function shell_window_handle_size_request
  * shell-window: Remove shell_window_paint_window
  * shell-window: Remove warning ‘gtk_paint_flat_box’ is deprecated
  * appearance-ui: Remove unused function button_press_block_cb
  * support tab scrolling in mate-window-,- and mate-appearance-properties
  * mate-theme-info: Use of memory after it is freed
  * build: silent build warnings for distcheck
  * use default MATE_COMPILE_WARNINGS level
  * Port libslab_handle_g_error to the built-in GLib logging framework
  * libslab: Remove libslab_get_current_time_millis
  * typing-break: Remove warning ‘GTimeVal’ is deprecated
  * remove warnings: function declaration isn’t a prototype
  * mate-about-me: Fix memory leak
  * appearance: Fix memory leak
  * windows: Remove unused function
  * Do not collect the translation for Icon
  * time-admin: dereference of NULL ‘db’ in function ‘CreateCityList’

### mate-control-center 1.24.0

  * Translations update
  * mate-theme-info: fix memory leak
  * mate-wp-info: fix memory leak
  * glib-genmarshal: Using --header and --body at the same time is deprecated
  * build: show compiler/flags info on configure summary
  * build: do not override WARN_CFLAGS
  * build: use warning flags
  * time-admin: make portable backward file path
  * appearance: backgrounds dir should be portable
  * appearance: remove I/O error on window close
  * autoconf: AC_PROG_CC was called before AX_CHECK_ENABLE_DEBUG
  * Fix build using gcc 10 -fno-common flag

### mate-control-center 1.23.3

  * Translations update
  * Update copyright to 2020
  * about-me: Fix UI validation
  * mouse: Fix UI validation
  * time-admin: Add license info in time-admin.ui file
  * time-admin: Fix UI validation
  * at-properties: Fix UI validation
  * Search system themes in system data dirs
  * display: Fix UI validation
  * display: Enable help button
  * windows: Add window-properties.ui
  * avoid redundant redeclarations
  * keybindings: Fix schema creation in makefile
  * appearance: Fix desktop file creation
  * shell: Fix typo in keyword name
  * migrate from intltool to gettext
  * default-applications: Load icons as cairo surfaces
  * icons: Force uniform size on icons (#505)
  * remove warning: "__sun" is not defined, evaluates to 0
  * fv: thumbnailer: add font/collection to the supported mimetypes
  * font-viewer: Add font/ttf and font/otf mime types
  * time-admin: fix memory leak
  * time-admin: Don't share «void QuitApp(TimeAdmin *ta)» method
  * default-applications: Remove messenger options from ui file
  * time-admin: Remove unreachable code
  * time-admin: Simplify date & time displaying
  * time-admin: Save button cannot be enabled if NTP sync is active
  * time-admin: Display current time in time-admin.ui on startup
  * time-admin: Rename adjustament to adjustment in time-admin.ui
  * time-admin: A11y time-admin.ui
  * time-admin: Add time-admin.ui
  * default-applications: Fix Word Processor top margin

### mate-control-center 1.23.2

  * Translations update
  * travis: update mate-desktop and mate-settings-daemon required versions
  * mouse: Add support for Acceleration Profiles
  * appearance: fix memory leak
  * appearance: add new font for user
  * Stop propagate error
  * at-properties: migrate from dbus-glib to gdbus

### mate-control-center 1.23.1

  * Translations update
  * fix build error when not installed gla11y
  * remove lightdm-settings support
  * launch lightdm-settings if installed
  * use current running DM preferences program
  * support lightdm-gtk-greeter-settings as login preferences program
  * replace Tab with space
  * drop libXxf86 dependency
  * Use python3 for gla11y
  * Add scroll tabs with mouse wheel in severals capplets
  * libslab: bookmark-agent.c avoid deprecated g_type_class_add_private
  * font-viewer: avoid deprecated 'g_type_class_add_private'
  * Remove compilation warnings
  * time-admin: Don't set window title for message-box dialog
  * time-admin: Don't set font size/color for regular controls
  * use theme's icon preferences-system-time
  * time-admin: Fix license notice in time-zone.h|c, time-map.h|c
  * capplets: Remove the macro MATELOCALEDIR where it's not required
  * capplets: Use capplet_init
  * time-admin: shortcuts, images & shared code for buttons
  * common: Remove capplet-stock-icons
  * time-admin: Remove po-timezones
  * Remove trailing whitespaces

### mate-control-center 1.23.0

  * Translations update
  * bump require of m-s-d and m-d
  * Add orca to Visual combo box if available
  * Add support for checking .ui accessibility with gla11y
  * Do not reload NTP and modify the button arrangement when starting the service
  * Authentication to add modification time
  * Use default color to set label and remove the maximum button
  * use Makefile pkgdatadir
  * g_date_time_unref datetime
  * Display the correct time when selecting the time zone
  * Memory leak: g_error_free(error);
  * Modify mate-time-admin.desktop.in file format
  * enable to build time-admin for mate-control-center
  * add time-admin source code
  * add timezone translation files for time-admin
  * add image resources for time-admin applet
  * Populate initial messenger list with irc scheme handler apps
  * Set default icq/irc/ircs/sip/xmpp scheme handler
  * Add instant messenger keybinding into mate-keybinding-properties
  * Change the icon for instant messaging application
  * default-applications: Add a widget for a default messenger application
  * appearance.ui (cursor size scale)
  * libslab: avoid deprecated g_type_class_add_private
  * Create FUNDING.yml
  * typing-break: avoid deprecated 'g_type_class_add_private'
  * file-transfer-dialog.c: avoid deprecated 'g_type_class_add_private'
  * Fix the icon sizes in Preferred Applications selector
  * capplets: Use gresources for UI files
  * [ci] Add cppcheck html report
  * Fix grammar mistake
  * Migrate from dbus-glib to GDBus
  * Use system data dirs to locate key bindings
  * control-center: Fix memory leak
  * Use GtkSeparatorMenuItem in Apparence preview
  * Remove dead store detected by clang
  * default-applications: Improve UI accessibility
  * Use keyboard device icon like in other hardware devices
  * Use icons provided by themes and remove not used icons
  * help: update copyright
  * [ci] Enable Clang Static Analyzer
  * add installation instructions

### mate-control-center 1.22.0

  * Translations update
  * Initialize travis support
  * eggcellrendererkeys: avoid deprecated 'gtk_widget_modify_bg/fg'
  * Update MCC help
  * default-applications: Use more common icon names for Office documents
  * mate-display-properties: Migrate from dbus-glib to GDBus
  * Fix the runtime warning about gtk_widget_destroy.
  * Fixed number of cols error after reload menus.
  * Fixed crash when install/remove application.
  * capplets/mouse: .svg files instead .png in doubleclick artwork
  * capplets/mouse: New doubleclick artwork with mate logo
  * disable deprecation warnings for distcheck
  * default-applications: Fix assertion failture on g_icon_to_string
  * default-applications: Add a widget for a default calculator application
  * default-applications: Use the selected word processor for RTF as well

### mate-control-center 1.21.2

  * Translations update
  * require mate-settings-daemon-1.21.2
  * keybindings: Add a key binding to toggle the microphone's mute status
  * keybindings: Add some key bindings to control volume quietly
  * Account for NULL error when we see G_IO_STATUS_EOF
  * typing-break: replace deprecated gdk_error_trap functions
  * tx: update translation sources
  * update hint for mouse double-click
  * keybindings: double click instead one click to edit keyboard shortcuts
  * mate-keybinding-properties: avoid deprecated 'gtk_widget_ensure_style'
  * added search option for mate-font-viewer
  * Load avatar-default as default image
  * for accounts service support
  * keybindings: Add a key binding to launch settings
  * Depend on mate-desktop 1.21.2 due to new gschema key
  * Fix spelling and grammar mistakes
  * update legal.xml
  * Use make functions for HELP_LINGUAS
  * tx: add m-c-c user-guide to transifex config
  * Add UI to control org.mate.accessibility-keyboard.stickykeys-latch-to-lock
  * use fixed size to show user icon
  * Add new api for EImageChooser
  * get/set user face icon use accounts service

### mate-control-center 1.21.1

  * Translations update
  * require mate-desktop-1.21.1
  * typing-break: Make images larger and load as surface
  * Mouse: include a toggle to enable or disable middlemouse paste
  * capplets/keybindings: avoid deprecated 'gdk_keymap_get_default'
  * display-capplet.ui: replace deprecations
  * libslab: code clean up
  * wm-common: replace deprecated gdk_error_trap functions
  * libslab: replace deprecated gtk_menu_popup
  * msd-input-helper: replace deprecated gdk_error_trap functions
  * mouse: replace deprecated gdk_error_trap functions

### mate-control-center 1.21.0

  * Translations update
  * update mate-control-center.pot
  * bump required version of mate-menus
  * use new mate-menus api
  * use new api
  * use matemenu_tree_new
  * appearance: fixed more indents
  * appearance: fixed indentations
  * appearance: add buttons-have-icons switch
  * mouse: add middle button emulation switch
  * display-capplet: add css name for scrollarea
  * Change cursor-size to 24px
  * Scale cursor size for HiDPI when changing themes
  * Fix screen geometry to account for rotation when snapping.
  * Add auto-detect toggle switch
  * theme-util.c: fix segfault on attempt to delete custom theme
  * theme-thumbnail.c: avoid deprecated GtkButton:use-stock
  * avoid deprecated GtkStock
  * Remove useless parameter in mate_theme_install_real
  * theme-installer.c: add tips when reinstall a existed theme

### mate-control-center 1.20.0

  * Scale font DPI for HiDPI displays
  * require GTK+ 3.22 and GLib 2.50
  * Add support for HiDPI displays (#325)
  * Translations update

### mate-control-center 1.19.3

  * Translations update
  * theme-installer.c: missing g_object_unref in mate_theme_install_real
  * theme-util.c: fix reinstalling the deleted theme can cause failure
  * remove unneeded +x attribute after last commit
  * Support the theme compression package for installing XZ format
  * drop unused variables
  * eggcellrendererkeys.c: Fix build warnings:
  * remove some leftovers related to MacOS support O_o
  * theme-thumbnail.c: Fix build warnings with ‘write’ and ‘pipe’:
  * libslab: store search entry widget as GtkEntry
  * libslab: fix search icon misaligned
  * libslab: search-entry.c: Fix build warning:
  * Remove useless duplication in mate_theme_install_real
  * Fix Window Border theme cannot be deleted
  * update windows tiling gsettings key, part-2
  * update windows tiling gsettings key
  * about-me: drop unused code
  * shell: add Comment field to .desktop file

### mate-control-center 1.19.2

  * Translations update
  * Enable default broswer setting support for text/html
  * libslab: restore missing variable initialization
  * libslab: drop useless checkpoint function
  * libslab: remove more unused code
  * libslab: remove a bunch of unused code
  * WidthOfScreen and HeightOfScreen implementation
  * fix support for external localizations in .desktop files
  * Add the support for cursor sizes of 96 and 128.
  * man: fix title of mate-window-properties page
  * man: fix titles of mate-typing-monitor and mate-thumbnail-font pages
  * Fixes font dpi with "org.mate.desktop.font-rendering.dpi" by default
  * gtk 3.22: avoid deprecated gdk_screen_get_monitor... functions:

### mate-control-center 1.19.1

  * Translations update
  * libslab: avoid deprecated gdk_screen_width/height
  * appearance-font.c: avoid deprecated gdk_screen_get_width/height_mm
  * avoid deprecated gdk_screen_get_width/height
  * libslab: drop unneeded libslab_mate_desktop_item_open_help function
  * libslab : drop uneeded support for gnome-main-menu
  * typing-break: avoid deprecated GDK pointer and keyboard types
  * libslab: don't use deprecated gtk_show_uri
  * display scrollarea: avoid deprecated gtk_adjustment_changed
  * keybindings eggcellrendererkey: avoid deprecated GDK pointer and keyboard types
  * display scrollarea: fix a -Wuninitialized build warning
  * display scrollarea: avoid deprecated gdk_window_get_pointer
  * po: don't list non-existent files in POTFILES.skip
  * avoid deprecated gdk_screen_make_display_name
  * avoid deprecated gdk_display_get_screen and gdk_display_get_n_screens
  * capplet-util: don't use deprecated gtk_show_uri
  * typing-break: avoid deprecated GtkMisc
  * typing-break: avoid deprecated gtk_alignment_new ()
  * mouse: fix a build warning
  * mouse: warn about enabling multi-finger emulation

### mate-control-center 1.19.0

  * Translations update
  * libslab: make ThemedIcon use style_updated instead of style_set
  * libslab: correct icon loading code
  * libslab nameplate-tile: replace GtkAlignment with a GtkBox
  * libslab tile.c: replace deprecated gtk_widget_set_state ()
  * libslab shellwindow: replace GtkAlignment with a GtkBox
  * libslab slab-section: avoid deprecated GtkAlignment
  * libslab app-shell: avoid deprecated gtk_alignment_new ()
  * app-resizer: fix a build warning
  * Restore Polish translation credits from GNOME
  * libslab searchbar: remove deprecated ussage of GtkAlignment
  * libslab nameplate-tile: avoid deprecated gtk_button_set_focus_on_click ()
  * libslab nameplate-tile: remove one deprecated ussage of GtkAlignment
  * libslab: don't use deprecated gdk_app_launch_context_new ()
  * about-me-password UI: set max_width_chars for description-label
  * eel-alert-dialog: replace some GtkStock items
  * keybindings: fix a couple of build warnings
  * libslab: remove unused functions
  * libslab bookmark-agent: fix some xdg paths
  * use g_object_unref instead of deprecated rsvg_handle_free
  * keybindings: Fix and add mnemonics in the custom command dialog
  * keybindings: Allow to select an installed application through a dialog

### mate-control-center 1.18.1

  * Add support for switching themes on Metacity >= 3.20.
  * appearance-ui: add primary-toolbar style class for toolbar in interface preview
  * keyboard-properties-xkbot: avoid deprecated GtkAlignment
  * theme-thumbnail: avoid deprecated GtkAlignment

### mate-control-center 1.18.0

  * NEWS: use consistent, project wide, markdown-like formatting to make
    generating release announcements easier
  * Build: require libmatekbd, libmate-desktop, marco, m-s-d >= 1.17
  * Build: require XCursor and XInput unconditionally
  * Move to GTK+3 (require GTK+ >= 3.14), drop GTK+2 code and --with-gtk
    build option
  * Port from libunique to GtkApplication
  * Rework font-viewer: add font browsing mode, support for TTC fonts,
    and make it appear in the menus
  * Add libinput support for mouse and touchpad
  * Mouse: add separate touchpad motion settings on touchpad tab
  * Mouse: change tab label from General to Mouse
  * Mouse: change natural scroll mnemonic from 'a' to 'n'
  * Fix lots of GTK+ deprecations
  * Some more fixes and cleanups
  * Translations update

### mate-control-center 1.16.1

  * Appearance: fix live updating of the various theme details
  * Appearance: fix vertical expand of content on window resize in
    GTK+3 build
  * Keyboard: fix vertical expand of content on window resize in
    GTK+3 build
  * Shell: force icon size in libslab to avoid huge icons
  * GTK+3: fix build with marco 1.17
  * Fix a couple of memleaks

### mate-control-center 1.16.0

  * Build: drop dconf 0.10 compatibility
  * Appearance: change default hinting style to slight and render
    antialiasing samples using that style
  * Appearance: render hinting samples using RGBA antialiasing
  * Appearance: place theme name below theme preview in GTK+3 build to
    match GTK+2 one
  * Appearance: center theme name in GTK+3 build to match GTK+2 one
  * Appearance: hide Colors tab in Customize Theme dialog in GTK+3 build
    as changing theme colors won't work in GTK+3
  * GTK+3: fix build with appindicator support enabled
  * GTK+3: fix showing monitors in display properties with glib 2.49.6
  * GTK+3: fix various deprecations
  * Some code cleanups
  * Translations update

### mate-control-center 1.14.1

  * About me: add some space between username and buttons
  * About me: fix UI freeze when changing the password
  * Translations update
  * Make distcheck use currently selected GTK+ version

### mate-control-center 1.14.0

  * Drop MateConf migration script
  * Drop "Ubuntu hacks" (--enable-ubuntu build option) as Ubuntu
    dropped that stuff long ago
  * Move mate-preferences-categories.menu to mate-menus
  * Touchpad settings: support edge and two-finger scrolling
    independently
  * Window properties: make all three window focus modes selectable
  * GTK+3: fix theme previews in mate-appearance-properties
  * GTK+3: fix several deprecations
  * Some more fixes and cleanups
  * Translations update
  * Fix Changelog generation

### mate-control-center 1.12.1

  * Display: fix crash due to regression
  * Fix some bottom items being not accessible in some cases
  * Some more fixes
  * Translations update

### mate-control-center 1.12.0

  * Appearance: restored Interface tab
  * Display: added support to set the primary monitor
  * Display: show output names in addition to display names
  * Keybindings: added keybinding for logout
  * Touchpad settings: add option to enable/disable touchpad
  * Touchpad settings: added support for natural scrolling, 2 finger
    and 3 finger clicks
  * Improved categorization
  * Retrieve strings directly from gschema (requires intltool 0.50.1)
  * Switch to org.gnome.SessionManager
  * GTK+3: fix font rendering in Appearance and mate-font-viewer
  * Some more fixes and cleanups

### mate-control-center 1.10.2

  * Appearance: fix possible segmentation fault on closing
  * Appearance: allow to save notification theme optionally
  * Display: made changing refresh rate actually work
  * Fix build with prefix other than /usr
  * Help fixes
  * Translations update

### mate-control-center 1.10.1

  * Appearance: add theme changing support for metacity >= 3.16
  * Help fixes
  * GTK+3 fixes
  * Translations update

### mate-control-center 1.10.0

  * windows: Add option to configure titlebar buttons layout
  * appearance: Add support for metacity-theme-2.xml
  * default-applications: Add support for office applications
  * Adapt to MateDesktop MateRR* API changes (thanks monsta for testing)

### mate-control-center 1.8.1

  * default-applications: Add support for accessibility applications

### mate-control-center 1.8.0

  * Use yelp-tools instead of mate-doc-utils
  * windows: Add option to enable side by side tiling
  * windows: Add metacity support
  * appearance: Add support for 'artist' tag in xml backgrounds files
  * appearance: Change also titlebar font if Metacity is running

### mate-control-center 1.6.0

  * Migration to gsettings.
  * Keybindings capplet: requires libdconf-dev to delete custom shortcuts.
  * Appearance capplet: increased minimum dialog size.
  * About me capplet: removed evolution stuff.
  * Network capplet: use proxy settings from gsettings-desktop-schemas
    package (http://download.gnome.org/sources/gsettings-desktop-schemas).
    Removed save locations feature.
  * Removed a lot of old stuff from libslab.