merge iOS arm64 lib to fat lib, change the project setting.
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into merge_arm64_lib_to_fat_lib
fix lua compile error in xcode6 beta3
fix error.
[ci skip]
[ci skip]
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update UI module code comments
Merge pull request #7449 from andyque/cleanupComments

update UI module code comments
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Merge pull request #7439 from boyu0/merge_arm64_lib_to_fat_lib

merge iOS arm64 libs to fat libs, change the project setting.
[AUTO][ci skip]: updating cocos2dx_files.json
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fix loading bar switch loading method issue
Merge pull request #7450 from andyque/fixLoadingBarTest

fix loading bar switch loading method issue
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7452 from CocosRobot/update_cocosfiles_1405415205

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7451 from CocosRobot/update_cocosfiles_1405414701

[AUTO][ci skip]: updating cocos2dx_files.json
Update bindings-generator config files and manual bindings files to fix the compile warning
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_hot_fix