Registration and login working with email/password identities.
Use OmniAuth failure endpoint in development mode.
Show errors if registration fails.
Show error when login fails.
Add link to registration to login form.
Twitter login working and fixed bug where duplicate users would be created when using email/password login.
Add dropdown menu with login/logout links and current user info.
Add JS object to track current user information.
Prevent routing to anything except index and login page when user is not signed in.
Add capability to link multiple identities to one user.
Merge branch 'login'