Merge pull request #102 from vmoyseenko/DUI-TemplateSelector(NestedClasses)

DUI: TreeView and TemplateSelector for NestedClasses added.
Templates and Styles added.
Found classes added.
Member groups added.
StackPanel added.
Merge branch 'DUI-ClassesListView(SearchView)' into DUI-MemberGroups(SearchView)
Merge with DUI-ClassesListView(SearchView)
Added transparent ScrollViewer for all content of LibrarySearchView
Merge pull request #104 from vmoyseenko/DUI-SearchViewTemplatesAndStyles

DUI: Templates and Styles for LibrarySearchView.
Merge pull request #106 from vmoyseenko/DUI-ClassesListView(SearchView)

Population of Classes in UI
Merge pull request #107 from vmoyseenko/DUI-MemberGroups(SearchView)

Population of MemberGroups and Members in UI
Merge branch 'Sitrus2' into DUI-AlignmentNestedClassToggleButton