Add Bootstrap-SASS gem and add initial navbar to application view template
added custom.css.scss to import bootstrap
Added article views counting
Layout changes create article is broken
Fixed broken article/new
fixed broken articles/new
updated the login page
Added code to return the top 3 viewed articles to the application template sidebar
Added support for RSS xml feeds in article#index
rework nav links and popular article searching
added some model unit testing
Merge branch 'layout-work'
Added RSS support to the article index
Modified the Layout Header to handle login state
improved article view counting