[AUTO][ci skip]: updating cocos2dx_files.json
closed #4944: fixed bug: physics engine crashes occasionally when remove bodies at physics contact callback.
Merge pull request #6860 from CocosRobot/update_cocosfiles_1400657115

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #6861 from boyu0/bug4944_physics_crash

closed #4944: fixed bug: physics engine crashes occasionally when remove...
[ci skip]
issue #5176, add UIFocusManager
issue #5176, add ListView focus test
issue #5176, fix override problems
issue #5176, remove unneeded functions in UIPageView
issue #5176, refacotr UIPageView
issue #5176. fix UIScrollView
issue #5176, refacotr UIPageView
issue #5176, refactor UIPageView