Added edit user page
Implemented authorization for editing users and friendly redirect after login
Refactored session view to use form_tag instead of form_for
Require signed-in user for viewing user index page
Added image to header's account menu
Added rake task to populate the database with mock users
Added pagination to user index page
Refactored user index page to make use of partials for rendering
Resized user image on profile page
Implemented user deletion