Notification sound editor added

added notifications sound editor (source code adapted from wphTweaker project by Jaxbot & jessenic)
added extended capability ID_CAP_SOUND_CONTROL (for deployment please use deployer from WP 8.0 SDK or third-party application)
some minor fixes and improvements

1.3.2

added WebBrowser-based xml editor (good stability and performance)
fixed logic for reboot request
fixed few bugs

Added color editor, and new tweaks for changing color accents

Fixed few bugs, added new controls