* [game] Uses global compartment.
* fixed cocostudio bug.
* Fixes Memory leak for JSB.
* Memory leak in ActionsTest.js
* js_callfunc binding check whether jsThis is valid.
* Fixes potential crash in DownloadDelegator .
* CCLOG -> CCLOGINFO for garbage collect callback.
* jsb_c_proxy_s is a struct which contains a JS::Heap<> cpp object. Need to use `new`/`delete` to manage its memory.
* The functionality of JS controls C++ object's lifecycle isn't stable enough, please don't enable it now. Make an error if user enables it.
* Compilation error fixes.
* Removes unused JSAutoCompartment since we use JS_EnterCompartment/JS_LeaveCompartment now.
James Chen