delete Image::_preMulti, Deprecate Image::isPremultipliedAlpha(), change Image::hasPremultipliedAlpha() meaning.
Deprecate Texture2D::PVRImagesHavePremultipliedAlpha(), move Texture2D::PVRImagesHavePremultipliedAlpha() to Image.
Change Image::PVRImagesHavePremultipliedAlpha() to Image::setPVRImagesHavePremultipliedAlpha()
Merge pull request #7594 from boyu0/image_premulti_alpha_refactor

Image premultiplied alpha refactor
Refactor #5580: Improve searchFullPathForFilename and comments
Merge pull request #7600 from pandamicro/FileUtils_FILE_API

Refactor #5580: Improve searchFullPathForFilename and comments
[ci skip]
[ci skip]
[AUTO]: updating luabinding automatically
Merge pull request #7601 from CocosRobot/update_lua_bindings_1406518595

[AUTO]: updating luabinding automatically