issue #2277: Add OpenGL lua binding
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into opengl_develop
issue #2277: Add OpenGL lua test samples
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into opengl_develop
issue #2277: modify platform config except win32
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into opengl_develop
issue #2277: add a new line
issue #2304:accelerometer fix of mac
Merge pull request #2936 from minggo/iss2304-refator-cclayer

issue #2304:accelerometer fix of mac
Update .gitignore

tools/project-creator/create_project.py is generating multi-platform project on COCOS2DX_DIR/prjoects
Merge pull request #2937 from growingdever/patch-2

Update .gitignore
issue #2277: Delete some conflict file and resolve some error
Merge pull request #2935 from samuele3hu/opengl_develop

issue #2277: Add OpenGL lua bining and some test samples
issue #2129: [Removing CC Prefix] Removing backward compatible macros, since they are conflict with no CC Prefix ones.
issue #2129: Resetting the namespace of armature to 'cocos2d::extension::armature'.
issue #2129: Don't use CGPoint in chipmunk since we are using cocos2d-x rather than cocos2d-iphone.
issue #2129: Renaming EditBoxImplIOS to EditBoxImplIOS_objc since it will be conflict with CCEditBoxImplIOS after removing CC prefix.
issue #2129: [TestCpp] LayerGradient --> LayerGradientTest,  TexturePVR --> TexturePVRTest.
issue #2129: using cocos2d::extension::armature namespace for Armature extension.
issue #2129: no need to write namespace since we are using *using namespace cocos2d::extension::armature;*.