New constructor for IconButton
Getter for Spinner
Fix in Model
Update enable method for AddBehavior
SetField action, to set generic fields
Some new options and a ReflectionOptionsController
rootChanged event for GroupEditor
Behaviors related widgets
Updated scene view
Behavior copy listener
Some new assets
Added two new types of buttons
Added TrackLayout, and adapted LinearLayout for extend it
Added test for TrackLayout and the new buttons
Adds some javadoc for DraggableScrollPane.
Merge pull request #674 from gorco/TweenTrack

Tween track
Merge pull request #681 from RotaruDan/draggableScrollPane

Adds some javadoc for DraggableScrollPane.
A little circle marks the selected scene in scene menu
Minor bugfix in sceneeditor
Docs