started testing on user model

* uncommented line in rails_helper to require files in spec/support
  * Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }
  * This is necessary for including capybara and factory
  * database cleaner was also incorporated
Customized devise routes

* after_sign_in, after_sign_out - ApplicationController
* after_sign_up, after_update - RegistrationsController (inherits directly from
built-in devise RegistrationsController)
* created users#show path aliased as 'profile_path'
Factory Girl config corrected

* gem 'factory_girl_rails', not 'factory_girl'
* added more sign up tests - all green
sign in and sign out feature testing complete/shoulda required
password reset test/shoulda matchers on user model started
Virtue model created and migrated - unit tests passing

* rails generate model Virtue name:string
* format_name created for 'before_save' method in Virtue model