closed #5537: add setAutoStep, isAutoStep and step method for PhysicsWorld.
closed #5537: add test case
Optimize the implementation of hen-prebuilt tools.
Consider the lua-bindings when generating prebuilt engine.
Store the version of engine into the prebuilt engine.
Merge branch 'v3' into gen-prebuilt-script
Modify the gen-prebuilt tools for the lua-bindings modules.
add new test case
Fix a correct onGLFWCharCallback
fixed Widget's Children reload textures change RGBA issue
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7730 from CocosRobot/update_cocosfiles_1407740805

[AUTO][ci skip]: updating cocos2dx_files.json
Merge branch 'v3' into gen-prebuilt-script
Merge pull request #7729 from andyque/fixCascadedColor

fixed Widget's Children reload textures change RGBA issue
add missed CC_DLL for cocos2dVersion function
add virtual destructor
CCGLView modefy
Merge pull request #7731 from dabingnn/v3_add_CC_DLL_For_cocos2dVersion

add missed CC_DLL for cocos2dVersion function
Merge pull request #7724 from cpascal/fix_ime

Fix a correct onGLFWCharCallback
GLView modefy additional