Add feature to force update environment variable in setup.py
Merge pull request #278 from natural-law/master

Add feature to force update environment variable in setup.py
Merge pull request #279 from joshuastray/master

Fixed #4707 :cc.view.setDesignResolutionSize should change cc.winSize
Find the ant command path from system first when ANT_ROOT is not set.
Update the reference of submodule cocos2d-console.
Find the ant command path from system first when ANT_ROOT is not set on Linux.
Merge pull request #280 from natural-law/master

Find the ant command path from system first when ANT_ROOT is not set.
fixed #4770: Compare already binded point util functions and remove useless JS Wrappers