remove Clear Stencil to avoid double clear of ClippingNode(clear will discard buffer masks on some android device)
Optimize FPS control algorithm under Android.
Fix the default value for project creator's script
Merge pull request #7596 from timotei/v2

Fix the default value for project creator's script
Merge pull request #7547 from dabingnn/cocos2.2.5

remove Clear Stencil
[ci skip]
Merge pull request #7583 from reckhou/v2

Optimize FPS control algorithm under Android.
[ci skip]
Merge branch 'v2' of https://github.com/cocos2d/cocos2d-x into v2