Merge pull request #45 from walzer/master

update catalog and readme, remove reference
issue #3493. setup audio effect file
Merge pull request #46 from walzer/master

unify folders to lowercase + underscore style, remove authors name from articles, adjust folder structures a bit.
issue #3493. modify the content
Merge remote-tracking branch 'upstream/master'
fixed #3493. Finish the tutorial chaper10 of Parkour game
rename file name
issue #3299, add zh.md
add image
Merge pull request #49 from gloryming/master

issue #3299, add zh.md, image and rename file name
Merge pull request #47 from andyque/master

fixed #3493. Add the last tutorial of Parkour game with cocos2d-html5
issue #3503. modify the cpp coding style link
issue #3503. clean .gitignore
issue #3503. clean cocos doc
Merge pull request #50 from andyque/master

clean repository
issue #3505. Add english version of anroid dev on win7
fixed #3505. finish the article
Merge pull request #51 from andyque/master

add android env on win7
Add docs style.
Merge branch 'master' of https://github.com/cocos2d/cocos-docs