Merge pull request #2 from kenglishhi/master

Added link to code samples from CS talk by Kevin English
changed markdown to redcarpet, added post on code coverage
Updated tagline
added rss icon
Merge branch 'master' of https://github.com/sandiegojs/sandiegojs.github.com

* 'master' of https://github.com/sandiegojs/sandiegojs.github.com:
  Updated tagline