Add Foundation framework

* Added to Gemfile
* Created Home controller
* Created Home view
* Created index.html.erb in home view
* Added root to routes
* Added Foundation config code to application.js, application.css, and application.html
adds omniauth initializer
fixes cosmetic  merge conflict in routes file
Merge pull request #3 from dmill/install_foundation

Add Foundation framework
fixes merge conflicts in Gemfile.lock and routes.rb. Removes redundant home#index route (static#home exists and is preferrable)
removes extraneous view files and css causing failing rspec test
basic omniauth routes and functionality
creates authorization model and tests validations and association with developer
creates sessions controller which saves valid github username in developer and associated uid and provider in authorizations
refactor sessions controller to save developer_id in session and helper method in authorization model. Add destroy sessions controller action and route
basic sessions spec files to be filled in later