Ensured that downcase happens, expanded regex to exclude double dotted addresses.
Added in mixin for developer stuff, Users is now a resource.
Added in stub page to display user, added in show method to pass in user to view.
Added in Factory for User, fixed up view for User (adding in Gravatar, passing in @user, formatting), speedier tests.
Added in StatHat gem, added in specified params for User sign up, added in flash for correct signup, added in error displays for incomplete/ wrong information, partial for error messages, tests.