created the edit action, tests and page
test for the settings link
test helper to sign in users
added a settings link
initial user update action
tests for the user update action
code to handle successful edits
testing that the edit and update actions are protected
added a signed_in_user before filter
testing that the edit and update actions require the right user
added correct_user before filter
added a current user method
test for friendly forwarding
code to implement friendly forwarding
added store location to the signed user before filter
added friendly forwarding to the sessions create action
testing that user index action is protected
requiring a signed in user for the index action
tests for the user's index page
added the user index view and relevant styling