On the signup form:
	Prestyling the layout of the sign up form and the social media sign up buttons.
Creating sessions controller
Creating rspec for authentication pages
Updating routes for login and logout
Updating Gemfile. Erasing webrat
Adding Capybara::DSL to spec_helper
Providing vessel to modify title tags
Login Page
Rspec tests for authentication
Adding remember_token to the users model
Adding factories.rb for FactoryGirl
Downcasing username and email before checking if it exists
Downcasing email and username before saving in user.rb
Adding log in functions
Adding tests for logging out
Adding methods for signing in and logging out
Log in page and changed nav bar to accomodate logged in users
Modified README