Merge pull request #30 from samuele3hu/v3

Update the CMakeLists.txt for related liquidfunc test cases
update GAFExample - add linux and mac platform support
Merge pull request #31 from huangshiwu/v3_GAF

update GAFExample - add linux and mac platform support
update CMakelist.txt and GAF submodule
Merge pull request #33 from huangshiwu/v3_gafcmake

update CMakelist.txt and GAF submodule
Add cocos run command support and remove build_native.py
Update the CMakeLists.txt for Linux