added .rbenv-gemsets to gitignore
added eager loading of website.icon to loop_controller.rb
Using WebSite.count instead of WebSite.all.count
fixed @all_sites.first to WebSite.first
parsing json twitter feed rather than HTML page for faster response time
linked urls and bolded tags for each tweet
Revert "linked urls and bolded tags for each tweet"

This reverts commit ae866a8caaa8a511677aee3cde3f0a6b8b13afbe.
Revert "parsing json twitter feed rather than HTML page for faster response time"

This reverts commit f507567e4d601eb6ef82f77ae187cb033be2eb8d.
cached full set of values rather than individual sin computations