Merge branch 'master' of https://github.com/cocos2d/cocos2d-x
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x
Fix collider detection
1.Fix when first frame have no key frame, the armature don't display.
2.Fix color change bug
1.Fix color tween bug
1.Fix empty frame bug
2.Change Skin function interface name
update
Change Tween Type to Frame Index
remove CCShaderNode
Bone can add a particle display as a CCNode
Merge branch 'master' into develop
Change Physics detector
Remove vld.h
Merge branch 'master' into develop
1.Fix release CCTexture2DMutable.cpp crash
2.Change frame tween method
Port my variant of font-rendering over to dev branch -- adds correct alignment behavior.
Fix comment broken in last commit.
Update cocos2d_specifics.cpp

fix bug about scheduler, if this value is -1, it will work all right in Emulator, but run error in real device, just call one time.
Fix a memory leak in Set::removeAllObjects.
The set maintains a strong reference to all objects so release() should be called whenever something is removed from the set.
issue #2768:Add Armature lua binding and releated test samples