added rspec-rails, capybara and factory girl
Installed rspec
Started basic configuration for devise gem
Generated Devise model
Migrated devise User model
Generated devise views
Updated error and notice divs
Merged authentication with articles1.0
Added article integration and model test
Finish test for valid info
Added sign_in, sign_out to layout template
Added username, firstname, lastname, twitter and linkedin urls to user model
Created users controller
Included new user fields through Strong Parameters