change hitArea property to bounds property
improve get bounds method
Merge branch 'platform-example'
refactor keyboard
del pubspec.lock
fix a bug for dart sdk upgrade(Dart SDK version 0.6.3.3_r24898)
fix a bug for Juggler
add new animation
version 0.0.4
test pivot
fix a bug for hitArea
refactor updateTransform
check fill of sprite
add text material
change method
Merge branch 'master' of https://github.com/valorzhong/compass

Conflicts:
	lib/src/display/displayobject.dart
Merge branch 'master' into platform-example
resolve conflict