delete online showcase
add more items into catalog as the docs plan.
adjust v3.0 data structures in catalog
try to create "table of contents" in markdown
Update summary_release_20140107.md
Update summary_release_20140107.md
Well, I create table of content correctly now!
Merge pull request #91 from walzer/master

Add a sample of adding "table of content" in markdown.
Merge branch 'master' of github.com:andyque/cocos-docs