Merge pull request #132 from mcapraro/master

Adding a getter so devs can get the current level index. This is really ...
AnimationSequence.fromMovieClip
removed unecessary trailing underscore
StarlingArt.as - fixed bad handleContentLoaded
(sorry guys.)
StarlingArt.as - handling loaded content a bit better
added callback params to tweenVolume useful to pause the sound and make other operations
Input - fix snapshots (include frame time)
fix for :
http://forum.starling-framework.org/topic/strangenesses-with-justdid
Input - removed self update
DragonBones updated to 2.3.1

fixed bug #135
SpriteArt debug view fix
closes #135
Input.as
- moved action phases to InputActionPhase
- added Input.getAction() ... to get an active InputAction object and access its properties straight away.
Input.getActions(channel:int = -1):Vector.<InputAction>
+ changed value/phase public to internal
Merge branch 'master' of https://github.com/alamboley/Citrus-Engine

# By Thomas Lefevre (9) and Aymeric (2)
# Via Aymeric Lamboley (1) and Thomas Lefevre (1)
* 'master' of https://github.com/alamboley/Citrus-Engine:
  Input.getActions(channel:int = -1):Vector.<InputAction> + changed value/phase public to internal
  Input.as - moved action phases to InputActionPhase - added Input.getAction() ... to get an active InputAction object and access its properties straight away.
  SpriteArt debug view fix closes #135
  DragonBones updated to 2.3.1
  Input - removed self update
  fix for : http://forum.starling-framework.org/topic/strangenesses-with-justdid
  Input - fix snapshots (include frame time)
  added callback params to tweenVolume useful to pause the sound and make other operations
  StarlingArt.as - handling loaded content a bit better
  StarlingArt.as - fixed bad handleContentLoaded (sorry guys.)
  AnimationSequence.fromMovieClip removed unecessary trailing underscore
Revert "Made changes to handle the case where coins or other collidable objects have been removed form the level while some of the collision events are still taking place. Otherwise we get a null pointer exception"

This reverts commit 63e06e79903addbd023b805649658fa2e5250352.