Basic app set-up

Added the following testing gems, Simplecov, Minitest-Rails-Capybara, Launchy, Turn, m, and poltergeist. Created welcome controller for homepage and other static assets that will be rendered on the site.
 Adding bootstrap
added bootstrap files and added a template masthead
added bootstrap files and added a template masthead try 2
 Added mina
Merge pull request #1 from mangolemons/basic_setup

Basic setup