RepeatingTask.xTimes
Button: several small memory optimizations
DisplayUtil.center: add optional x/y offset params
Button.click: check that we're still alive before showing an animation
reduce Button.click animation time
depend on Starling 1.5
imports
AudioControls.retain: docs; return 'this'
Button.playStateTransitionSound
depend on starling 1.6-SNAPSHOT
AudioControls improvments

- getters for state values
-
- several not-for-public-use functions are internal
- AudioState is now an internal class
SoundResourceLoader: streaming music failure bugfix
DisplayUtil: drawThreeBrush, drawNineBrush
DisplayUtil.drawStretchedThreeBrush

I'm open to suggestions for better names for this function :)
DisplayUtil.transformRect
Fix Timers.delayFrames
minor app initilization doc and function name changes
KeyboardSignals utility class
Get rid of (crappy) 'Dragger' object

Dragging is better handled through a proper gesture system
XmlResourceLoader propagates failure properly