Add basic user model.  Run migration.
Add some tests for users
Get rid of annoying warning about sass.

I don't know if we are using sass or not, but this can be fixed later.
Add color output to tests
Validate usernames
Add a controller and view for users
Fix travis woes

(hopefully)
But really fix travis now
Possibly fix irc alerts
Merge pull request #8 from bis12/add_users

Add Basic Users