Can now follow users. Added User#follow and post /follow, added helper for login in tests
Fixed bug where you could follow users twice + test
/profile/your_user redirects to /profile if you're logged in
Feed now includes your own twyts, refactoring + tests
Refactored auth to be logged_in
Must be logged in to twyt or follow now
Merge pull request #10 from Widdershin/follow-users

Follow users