Sign in page
Add link to sign in page to header
Invalid signin!
Redirect to user page on 'sign in'
Reject sign-in with invalid password
Correct error in test
Correct error in test
Correct errors in test
Refactor signin failure
Fix flash persistance bug
Clean up create action
Add remember token to users
Annotation
Remember token creation
Sign in works!
Signout route
Add @current_user + memoize it.
Sign out
Test for session persistance
Add dropdown menu