Add Feature #5633:EventMouse should support getDelta, getDeltaX, getDeltaY functions
Merge pull request #1 from cocos2d/v3

Merge pull request #7604 from minggo/xcode-project-fix Xcode project fix
Merge branch 'v3' of git@github.com:AppleJDay/cocos2d-x.git
Merge branch 'v3' of github.com:AppleJDay/cocos2d-x
replace tab to spaces. Fix compile error of UIRichTextTest.cpp in windows visual studio vs2013.