DRY-up current_user helpers
simplified routes
remove unused JS file; be explicit with sprockets inclusion order
remove unused stylesheets; explicit inclusion order for sprockets
removing unused model (without running rspec; bad jeffrey)
removing unused model
users can only view their own profile
minor refactor (and correction) on user creation
just a hint ...
removing unused specs
remove mass-assignment for users on votes, thereby preventing users from 'hacking' votes for other users