Merge pull request #6859 from andyque/fixLayoutVisit

issue #5183, fix Layout visit issue
[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...