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
fixed cannot set blendfunc to Armature
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3
windows cpp-tests works now
fixed black edge in Armature
Update CCParticleSystem.cpp

diff is base on WorldSpace, when you scale scene,you will get the wrong value.
fixed armature blendfunc effect