Merge pull request #13 from html5rocks/development

Merging into the release branch
Merge pull request #15 from html5rocks/development

Merging development into master
Merge pull request #21 from html5rocks/development

Fixes #20 - adds verification for webmaster tools
Merge pull request #22 from html5rocks/development

adding theme-color to header
Tickling.  Test.
Merge branch 'master' of github.com:html5rocks/updates.html5rocks.com.new into development
Adding Gemfile so people know what dependencies are needed