Optimize FPS control algorithm under Android.
Update CCParticleSystem.cpp

diff is base on WorldSpace, when you scale scene,you will get the wrong value.
Fix: Application::setAnimationInterval() not implemented.
Update CCParticleSystem.cpp
Add getter and setter for TextColor to Text Widget
fix remove self in Widget touch callback issue
minor modification of tests
Remove update of content size as it won't change
delete Image::_preMulti, Deprecate Image::isPremultipliedAlpha(), change Image::hasPremultipliedAlpha() meaning.
Deprecate Texture2D::PVRImagesHavePremultipliedAlpha(), move Texture2D::PVRImagesHavePremultipliedAlpha() to Image.
Add missing space in function definition
chang module name for windows project file
Merge branch 'v3' into v3_windowChangeModule
Change Image::PVRImagesHavePremultipliedAlpha() to Image::setPVRImagesHavePremultipliedAlpha()
Merge pull request #7585 from wagulu/patch-1

Update CCParticleSystem.cpp
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
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