Generated User model with an email adress and a name
Improved authorization

[*] Rather than accepting any facebook authorized data, do a lookup of user by email
[*] Handle auth fail and unauthorized with redirect to a pretty error message
[ ] Create admin user account during install
[ ] Manage which users can access
Use latest bootstrap
Add field admin to User
Style fix
Created rake tasks for creating/destroying admin accounts from command line

Also added instruction to README to create an admin account during setup.
Fix notation
Merge branch 'feature/user-management' into master