don't have to set _orderOfArrival to 0 after visit
Add getStringLength() support for UITextField
Add shadow, outline, glow filter support for UITextField
Remove unnecessary Type::TTF Check

Remove unnecessary TTF type check on enableOutline or enableGlow function。
Update UIText.cpp
Remove misleading comment, add new comment

Remove misleading comment, add new comment for enableOutline
Add const for getStringLength() function
move node from one parent to another fix
close issue#5158:Label's display may go bonkers if using outline feature.
refactor touch event
remove UIInterface.h header file
restore Widget's constructor and destructor to public
restore UIScrollView constructor and destructor to public
Merge pull request #7006 from natural-law/v3

Update the reference of submodule plugin-x.
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7007 from CocosRobot/update_cocosfiles_1402282382

[AUTO][ci skip]: updating cocos2dx_files.json
Save the bound texture unit so that the sampler can be updated dynamiclly.
Merge pull request #7005 from andyque/refactorUITouchEvent

refactor UI framework touch handling
[AUTO][ci skip]: updating cocos2dx_files.json
[AUTO]: updating luabinding automatically