invert animationStateList
fix complete event bug and gotoAndPlay label bug
fix color transform tween bug
optimize performance
add armature event list
fix remove bone bug
fix parse object frame tween bug
add alpha for starling sprite
change _global namespace to dragonBones_internal
fix ObjectDataParser tween easing bug
fix timeline blend transform bug
update to 2.3.1
Merge remote-tracking branch 'origin/dev'