Delta multiplier added to Editor Properties.
New emitters are configured as bare-boned skeletons.

Initial emitter remains the same however.
Add ScreenAdapter.java for GWT
Create ScreenAdapter.java
Replaced the String stored for aliases with a new specialized type "Alias".
implement missing sound functions in gwt backend
reduce completion listener code in AndroidMusic
reuse IOSSounds, similar to Android's SoundPool
Properly dispose completion listener in openal
Mesh cache attribute locations
Move location!=null check
fixed up CHANGES
Fixed simple typo in gwt config
Merge pull request #503 from loadstar81/master

Fixed typo of canvasId in the gwt configuration.
Added getScale method
renamed nodes -> graphs
Merge branch 'master' of https://github.com/libgdx/libgdx
Fix for getScale
Use int[] instead of IntIntMap
Merge pull request #502 from xoppa/misc

Mesh cache attribute locations