TODO.txt

* when page is activated there's a need for timeout before making screenshot
* when search filter has something entered new tab always shows even if it doesn't match the filter
  --menu http://codepen.io/sstephenson/pen/zepwD
* redo search field with type=search
* remove current screenshot if tab gets redirected to another url

+ implement multiwindow support
+ replace search field with custom dropdown with filtering feature
  --http://jqueryui.com/autocomplete/#default
  --http://stackoverflow.com/questions/3695184/jquery-autocomplete-highlighting
+ Implement simple custom tab grouping
* when favicon is updated update screenshot if screenshot is absent and thumb only has favicon
  --chrome://favicon/size/16@1x/https://www.google.com
+ movement with arrows


+ group by opener http://developer.chrome.com/extensions/webNavigation.html#event-onCreatedNavigationTarget


ver 0.5
Requirements: Tabs are shown with screenshots, groupable, groups survive browser restart
+ Save tabs with groups to bookmarks. Restore from bookmarks on browser launch (http://developer.chrome.com/extensions/samples.html)
* fix or use other icons for service tabs that reference icons from chrome://theme/
  Looks like chrome can't allow these urls (https://code.google.com/p/chromium/issues/detail?id=11854)

ver 1.0
Requirements: Rich javascript enables moving between groups, groups and tabs can be made persistent, tabs searchable
            including omnibox keyword. Bookmarks treated as persistent offline tabs, folders - as saved groups.
+ Documentation how to assign hotkey to call TabsPane