Adding $firewall as a login parameter.

This will allow us to test against firewalls that are not named 'secured_area'.
Defaults to 'secured_area' in order to prevent BC breaks.
Merge pull request #2 from natebrunette/master

Adding $firewall as a login parameter.
Merge tag 'v1.0.5' of github.com:InkApplications/haphazard into 1.0