repair CCTransitionSplitCols & CCTransitionSplitRows
Update README.mdown

update supported platforms and supported programming languages.
Merge pull request #1842 from dumganhar/gles20

fixed #1653: Updated the configuration files of jsbinding.
Merge pull request #1841 from ivzave/tran_split_fix

repair CCTransitionSplitCols & CCTransitionSplitRows
Merge pull request #1843 from dumganhar/gles20

Updated the submodule reference of cocos2d-js-tests.
Updated Xcode template.
Added restriction marco `CC_TARGET_PLATFORM == CC_PLATFORM_MAC` for CCEditBox of MAC port.
This can avoid compilation errors if other platforms include these files.