Settings updates to support production installation.

manage.py

@@ -1,5 +1,10 @@
 #!/usr/bin/env python
 
+import os
+
 if __name__ == '__main__':
+    # Since this manage.py will only be used when running from a source
+    # checkout, default to using the development settings.
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'lib.settings.development')
     from lib import manage
     manage()