Fix video scale issue in iOS
Optimize FPS control algorithm under Android.
Refactor #5580: Add new file&directory apis into FileUtils
Refactor #5580: Fix Win32 compile issue
Refactor #5580: Fix some issues
Refactor #5580: Add test case for FileUtils' file and directory manipulations
Merge branch 'v3' of git://github.com/cocos2d/cocos2d-x into FileUtils_FILE_API
Refactor #5580: Make isDirectoryExist support relative path
Refactor #5580: Refactor Hungary style code in test case
Refactor #5580: Improve createDirectories
replace dynamic_cast to std::is_base_of
Refactor #5580: Merge createDirectories to createDirectory
fix Label::setTextColor did not have any effect.
fix font size of editbox for mac when glview scale
Update CCParticleSystem.cpp

diff is base on WorldSpace, when you scale scene,you will get the wrong value.
fix RichText visit issue
fix mac compile error
load font v2
Mac fonts tests
Merge branch 'v3_fixMacCompileError' of https://github.com/dabingnn/cocos2d-x into fixEditBoxCompile