Fixing profiling compile error
- changed cocos2d mac project to support universal build and x86
- fixed issues associated with that
added sample game xcode project for mac
Merge pull request #2252 from billy1380/master

fixed #1856：Adding 64bit target for Mac project.
Update AUTHORS
Merge branch 'fix_profiler_compile_error_android' of https://github.com/gelldur/cocos2d-x

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Fixing compilation errors when enable CC_ENABLE_PROFILERS.
Merge pull request #2257 from dumganhar/master

Fixing compilation errors when CC_ENABLE_PROFILERS is enabled.
Update AUTHORS
Removing unused codes.
Merge pull request #2258 from dumganhar/master

Removing one line unused code in PerformanceNodeChildrenTest.cpp
Updating CocosPlayer to latest version. Includes following changes:

1. Adding support for changing orientation
2. Updating communication protocol to latest CocosPlayer protocol. Including UUID and filelist messages
3. Fixing unzipping of ccb files to maintain proper directory structure
Adding all CocosPlayer Android resource folders for CCB and updating to latest version
Merge pull request #2259 from rohankuruvilla/ccbreader

fixed #1861: CocosPlayer Android update.
Update CCLuaEngine.cpp

Null pointer check in order to prevent crashes.
Merge pull request #2261 from flaming0/gles20

Null pointer check in order to prevent crashes.
Update AUTHORS
Adding LabelTest.lua. Three tests in LabelTest works ok.
Updating mainMenu.lua
Merge pull request #2265 from dumganhar/master

Adding LabelTest.lua. Three tests in LabelTest works ok.