update cjson, use Lua nil for NULL
update framework API
update framework zip
update framework API
fix compile errors for Android NDK r9
fix CCTouchScriptHandlerEntry will release twice lua reference, see http://www.cocos2d-x.org/issues/2535
add Lua function typen() for faster type check
update luabding, framework zip, samples
fix lua cjson win32 compile errors
update player mac/win32