add removeAllItems
add removeAllItems
Merge pull request #454 from yuyangame/patch-2

UIListView add removeAllItems
update framework; vs2013 project
Merge branch 'master' of https://github.com/chukong/quick-cocos2d-x
Merge pull request #453 from elisaday/master

scrollView在水平（垂直）滑动的时候不移动垂直（水平）方向;添加UIPanel对象;容错处理
modify panel
Merge pull request #458 from htlxyz/master

modify panel
Merge branch 'master' of https://github.com/chukong/quick-cocos2d-x
UIPanel的锚点和位置需要和内部的ColorLayer,BGLayer保持一致