Skin, fixed getting TiledDrawable by specifying a region name.

closes #2329
Merge remote-tracking branch 'origin/master'
fixed build by depending on RoboVM SNAPSHOTS for now :(
merged CHANGES
Merge remote-tracking branch 'origin/master'
Fixed setLayoutEnabled.

closes #2334
Fix indexing when creating chain from float[]
Remove unused imports
Update CHANGES
Fix indexing when creating loop from float[]
Dialog, made ignoreTouchDown visible.

All the widgets could use a proper refactoring pass, but not today.
Merge remote-tracking branch 'origin/master'
Fixed setting same widget for a cell.
ScrollPane clean up.
Javadoc.
Refactored SelectBox and List.

Better selection behavior, sizing of select box list when small, avoid invalidateHierarchy when possible.
Javadoc.
Fixed OrderedSet iterator remove.
Fixed indentation.
Added parameters to Elastic Interpolation.