Removed pages controller.

about.js.coffee
-Added method to update URL with current tab.
-Added method to select a tab using URL hash.

calendar.js.coffee
-Updated JSON GET and POST URLs.

about.html.erb
-Added tabs.
-Added site tech list under "site" tab.
-TODO: add personal data

projects.yml
-"Ruby on Rails"["projects"]["site"]["url"] set to "/about#site".

title.yml
-"About"["title"] set to "About".