Add spec for Edit User page
Add edit action in users controller
Add user edit view
spec/requests/authentication_pages_spec.rb: Add should have_link(Settings)
spec/support/utiliites.rb: Add sign_in()
spec/requests/authentication_pages_spec.rb: Use sign_in user spec/support/utilities.rb
app/views/layouts/_header.html.erb: Fill-in link_to 'settings' route
app/controllers/users_controller.rb: Add update()
Fixed
Add Gemfile.lock to .gitignore
authorize only signed in users to edit and update user pages
Authenticate user is correct user to access settings
Add spec to test friendly forwarding
Add friendly forwarding
authorization for signed in users only to access user index'
Add index view+specs+css
Add Users link to header
Paginated users showing up in index
Add index.html.erb, and lib/tasks/sample_data.rake
app/views/users/index.html.erb: refactor