[Feature]
+ Added Link to Online Favorites Recovery
+ Added Prompt dialog when switching user
+ Groups Menu's show/hide states will not be determined by whether user has Groups Data
[Bug Fix]
* Press ESC to Stop Loading Page
* Last Page can not be closed in v2.0.3-rc
* Increased the priority of website white list, now it's above global black list
* Slow Language Menu when have a lots of languages installed
* Modified Table display in Setup Center
* Shortcut Key Text duplicate when set Shortcut Keys
* Feed Discovery mistakes
* Can not unblock content under Block Page Content mode
* URL Display error in Up One Level feature
* Fixed display problem with default Utilities, Added Regedit
* Improve several dialog's presentation