Q isGroup
selection contains
fix in model
Fix in mokap views
Number 2 as second pointer in the middle of the screen
Fixes in Entity group
Fixes in group creation actions
Fix in remove selection
Some methods for engine utils, dealing with groups and transformations
Fixes in back
Visible listener refactored
Fixes in group/ungroup
Minor fixes
Changed libGDX to 1.5.0 stable.
Merge pull request #912 from RotaruDan/libGDXstableVersion

Changed libGDX to version 1.5.0 stable.
Added new icons
Minor changes in skin, i18n, FieldName and SkinConstants.
Added ComponentIds class
Added DropdownPane widget .
Added minor changes in Switch and SceneElementContext.