Move tag cloud to application controller
Followed Hartl to add guard and spork

http://ruby.railstutorial.org/book/ruby-on-rails-tutorial?version=3.2#sec-guard
Ignore Gemfile.lock
Erd diagram
Update grip icon
Style changes
New Users are logged in automatically and helpful links
Everyone sees tag cloud
Small form edits
Testing
Punt all tags in a category
Set ruby version