issue #3401: physical lua banding script and auto script
issue #3401: physical lua banding script, add testlua->physics test
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into iss3401_physical_lua_binding

Conflicts:
	build/cocos2d_libs.xcodeproj/project.pbxproj
	cocos/scripting/lua/bindings/CCLuaStack.cpp
	cocos/scripting/lua/script/Cocos2d.lua
	cocos/scripting/lua/script/Cocos2dConstants.lua
issue #3401: add physics lua auto generate to android.mk
issue #3401: update cmake project set
Merge pull request #4932 from boyu0/iss3401_physical_lua_binding

issue #3401: physical lua binding