issue #1640: Updated js files for jsbindings
Updated the submodule reference of cocos2d-js-tests.
issue #1640: Updated jsbinding for CCPhysicsSprite .
issue #1640: Added some files to iOS Project.
fixed #1641: The coins in Watermelon Me fail to animate in cocos2d-x JS binding.
issue #1640: Updated the submodule reference of cocos2d-js-tests.
issue #1640: Updated ChipmunkTest.cpp.
issue #1640: Updated Box2dTest and ChipmunkTest.
Merge pull request #1820 from dumganhar/iss1640-jsb-update

fixed #1640: Added sys.capabilities support and fixed a bug in CCAnimationCache.