添加ColorTransform

添加ColorTransform
更新 ColorTransform
更新 ColorTransform
webgl支持colorTransform
更新
Merge branch 'master' into ColorTransform
Merge branch 'master' into ColorTransform
增加stage激活、失去焦点的事件
startserver bug
优化TextField调用开销
Merge branch 'ColorTransform'
添加 Android 生命周期函数
修改 ReleaseNote
添加core.Scroller
修复leave_stage之后点击无效问题
core scroller x滑动和y滑动分离
Merge remote-tracking branch 'origin/master' into gui_refactor
完善Scroller，增加x,y滚动限制,修正一个TouchContext bug