"Add-ons" label is restored
SearchTreeView Renamed to AddonsTreeView
Removed unneeded XAML
Merge branch 'Sitrus2' into DUI-MovingCNTreeTiLibraryView
AddonsTreeView ScrollViewer is moved under main ScrollViewer
Changed comment for "Edit" MenuItem
Merge branch 'Sitrus2' into DUI-MovingCNTreeTiLibraryView
Merge pull request #105 from vmoyseenko/DUI-MovingCNTreeTiLibraryView

Moving Addons TreeView to LibraryView