Create terrain.py

I wouldn't count on these working just yet.

NOTE TO SELF:  verify that INSTALLED_APPS contains
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'lettuce.django'

REFER TO http://www.re-cycledair.com/integration-testing-with-django-and-lettuce-getting-started for actually making functional tests work properly.