specify Python 3.3.3 runtime
add static dir in attempt to appease Heroku
bugfix (for Heroku): 'DATABASES' is not defined
bugfix (for Heroku): django.core.exceptions.ImproperlyConfigured: The SECRET_KEY setting must not be empty
bugfix (for Heroku): remove 'temp' namespacing
bugfix (for Heroku): move static dir to where it's supposed to be according to settings.py
add debug option via environ var
bugfix (for Heroku): TemplateDoesNotExist
bugfix (for Heroku): get DJANGO_DEBUG environ var properly
add staticfiles to .gitignore
add signature page for viewing each guestbook signature at unique URL; all tests passing