Styles are named
Styles are moved to UserControl.Resources
AddonsTreeView ScrollViewer is removed
Merge remote-tracking branch 'remotes/origin/Sitrus2' into DUI-AddonsTVRemoveScrollViewer
AddonsTreeView control is created
AddonsTreeView control is used in LibraryView and LibrarySearchView
AddonsTreeView datatemplates are moved to usercontrol's resources
Merge pull request #120 from vmoyseenko/DUI-AddonsTVRemoveScrollViewer

Move AddonsTreeView to separate control