Fixed another JNI related bug that was making postUICallback crash.
Adding getLength for <sound> on iOS
Fixing incorrect return types and completing the missing setter for SDLSound.cpp (setPosition)
Fixed a bug that was preventing accessing "Capabilities.language" in a static var on Android. Example code: https://gist.github.com/DanielUranga/4725501
Merge pull request #51 from DanielUranga/master

More JNI fixes.
Merge branch 'master' of github.com:haxenme/NME