Merge pull request #1455 from pandamicro/NPM

Update right top link for cocos-utils wiki
issue #3541 : Delete cocos2d folder.
Merge pull request #1457 from SmallAiTT/iss3541_4_testCase

issue #3541 : Delete cocos2d folder.
Remove url check for home modules directories
Merge branch 'NPM' of https://github.com/cocos2d/cocos2d-html5 into NPM