fixed #1748: Generating jsb_cocos2dx_extension_auto.hpp/.cpp. It was separated from original `cocos2dx.hpp/cpp`.
Developer could remove redundant jsbinding codes now.
Updating the submodule of  cocos2d-js-tests.
Updating the submodule reference of JS tests.
fixed #1748: Updating win32 project setting.
Merge pull request #2137 from dumganhar/iss1748-jsb-chipmunk-sqlite

fixed #1748: Separating js extension from cocos2dx.hpp/cpp.
1) Generating jsb_cocos2dx_extension_auto.hpp/.cpp. It was separated from original cocos2dx.hpp/cpp. Developer could remove redundant jsbinding native codes now.
2) cocos2dx.hpp/cpp ~> jsb_cocos2dx_auto.hpp/cpp
3) Adding jsb_cocos2dx_extension_manual.hpp/cpp