Added a default LOGIN_URL

Added "account_login" as the default LOGIN_URL in settings.py.

This fixes a problem where the application will throw a 404 on the login page if you changed allauth from "/accounts" to anything else.
Update CONTRIBUTORS.txt

Added my name as requested in #106 and #107
Expand regex match on users/urls.py UserDetailView
Updated wsgi to default to Production configuration

Prevents the application server from running in Local configuration if
DJANGO_CONFIGURATION variable is not set.  Related to: pydanny#75
Updated CONTRIBUTORS.txt
settings: fix indentation for `CACHES`