Move MANDRILL_API_URL to package root (out of backend)

djrill/__init__.py

@@ -1,9 +1,15 @@
+from django.conf import settings
 from django.contrib.admin.sites import AdminSite
 from django.utils.text import capfirst
 
 VERSION = (0, 2, 0)
 __version__ = '.'.join([str(x) for x in VERSION])
 
+# This backend was developed against this API endpoint.
+# You can override in settings.py, if desired.
+MANDRILL_API_URL = getattr(settings, "MANDRILL_API_URL",
+    "http://mandrillapp.com/api/1.0")
+
 from exceptions import MandrillAPIError, NotSupportedByMandrillError
 
 class DjrillAdminSite(AdminSite):