[DF-740] - support of Subcontrols.
[DF-740] - support of Subcontrols.
Merge remote-tracking branch 'DAVA/development' into UIEditor
[DF-740] - excessive code removed.
[DF-740] - fix for Win32.
[DF-798] and [DF-827] fix and feature implemenation.
Subcontrols are added to UISwitch.
Merge branch 'UIEditor' of https://github.com/adebt/dava.framework into adebt-UIEditor

Conflicts:
	Tools/UIEditor/Data/icons.qrc