review flappybird article
Merge branch 'master' of https://github.com/chukong/cocos-docs
add flappybird.zip
Merge pull request #356 from renshan/master

add flappybird.zip
Correct Cocos2d-x naming
Merge pull request #358 from Yangtb/master

Correct Cocos2d-x naming
Correct Cocos2d-x naming
Merge pull request #359 from Yangtb/master

Correct Cocos2d-x naming