Fix property reseting

Visibility reset
Revert "Removing NPOT checks since it’s required by GLES2 and has been universally supported by Macs since at least 2007."

This reverts commit 1bd2e1136b4526518099fdde95f9b5d4bf3e553d.
Merge branch 'v3.1' of https://github.com/cocos2d/cocos2d-iphone into v3.1
Fix instant ease for non instant actions
Merge pull request #888 from cocojoe/v3.1

Improve animation property resetting, additional fixes
Reverted part of animation reset

#888 Notes
Merge branch 'v3.1' into develop

Conflicts:
	cocos2d/CCEffectRenderer.m