added method to update user profile and specs to test them
user can now only edit its own profile
added new view to list all users. also added requirement to be signed in to see all users
added faker gem
added rake task to fill db with users. added new user partial view to refactor index. updated facotries helper to have many unique users in tests
added gems and code for pagination inside index view
added admin attribute to user model
changed sampledata an modified migration file
Finish user edit, update, index, and destroy actions