Nested Category now has need color, but on hover changes it. (change don't needed)
Done with on hover.
Comments.
Merge branch 'Sitrus2' into DUI-ToggleButtonColorChangeForNestedClasses
Merge branch 'Sitrus2' into DUI-ToggleButtonColorChangeForNestedClasses
Padding for nested toggle button added.
DataContextToBoolConverter renamed into ElementTypeToBoolConverter.
Merge pull request #108 from vmoyseenko/DUI-ToggleButtonColorChangeForNestedClasses

DUI: toggle button color change for nested classes