application.html.erb: added debug(params)
custom.css.scss: added box_sizing mixin and new rules for .debug_dump
routes.rb: added resources :users
users/show.html.erb: added content of Hartl listing 7.4
users_controller.rb: added show action
Gemfile: added 4.2.1 factory_girl_rails gem
Gemfile.lock: cli: bundle install
factories.rb: added factory_girl factory for :user
user_pages_spec.rb: added tests for profile page
users/show.html.erb: replaced content with that of Hartl listing 7.10
environments/test.rb: added 'ActiveModel::SecurePassword.min_cost = true'
users/show.html.erb: added undefined method gravatar_for
users_helper.rb: defined method gravatar_for
users/show.html.erb: changed content to be that of Hartl listing 7.14
custom.css.scss: added content of Hartl listing 7.15
user_pages_spec.rb: added content of Hartl listing 7.16
users/new.html.erb: replaced content witth that of Hartl listing 7.17
users_controller.rb: redefined 'new' action: @user = User.new
custom.css.scss: added content of Hartl listing 7.19
users_controller.rb: created, defined 'create' action and private method 'user_params'