Added eachShape, eachConstraint, eachArbiter for cp.Body
use cc.defineGetterSetter for properties
Added missing properties of cp.Body
Added a test case for cp.Body
Update ChipmunkTest.js
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-js into bbb

Conflicts:
	samples/js-tests/src/ChipmunkTest/ChipmunkTest.js
Update ChipmunkTest.js
update html5 ref
Merge pull request #1092 from joshuastray/cp_body

Cp body