Revert "Upgrade to cocos2d-x 2.2.1 and cocostudio 1.1; Added a new samplefor 2.2.1/1.1; Updated README"

This reverts commit 1dc1c7fa369a772a417d303e20998d31d3b6e032.
Merge pull request #37 from WilliamsZhao/master

Revert "Upgrade to cocos2d-x 2.2.1 and cocostudio 1.1; Added a new sampl...