Update nav logic to only show main navigation if logged in. Add nav to login page.
Refactor to dry up a bit. Include the navbar only in index.html.  Remove from other sub-pages.
Add signup navigation element to login page
Modify user controller to look up via find_by instead of find_by_email.
Add route for user creation.
Add ability to switch between login and signup
Signup now working. Hide confirmation password.
Add bullet and remove N+1 query on get all users query.