fix bug for renderTexture created which is bigger than screen size
using pointer instead of Director::getInstance() in RenderTexture
readd wp8 code which is removed by accident
wrong rotation
Improved directory structure
Adds Apache2 license to GamePlay3d files
Revert "wrong rotation"

This reverts commit 1ebd9b2010e92059975c34ce6eec244bc98dce28.
wrong rotation
Merge pull request #6518 from super626/newmath

wrong rotation
closed #4990, Fix the error in cocos2d-console when rename files on windows.
Change Value::asBool() return false by default.
Fix ParticleSystem yCoordFlipped bug.
Merge pull request #6519 from natural-law/v3

Fix the error in cocos2d-console when rename files on windows.
fix indent
Merge pull request #6520 from boyu0/set_value_asbool_return_false_default

Change Value::asBool() return false by default.
Merge pull request #6521 from boyu0/particle_yCoordFlipped_bug

Fix ParticleSystem yCoordFlipped bug.
[ci skip]
Merge pull request #6512 from dabingnn/v3_renderTextureBug

V3 render texture bug
refactor normalize in Vector2
remove some cumbersome struct keyword