added utility file to help with users who have lost their credentials

extract-passwords-for-email.py

+#
+# extract voter_id and passwords for a particular email address
+# may return many rows, if they all have the same email address
+#
+# python extract-passwords-for-email.py <email_address>
+#
+
+from django.core.management import setup_environ
+import settings, sys
+
+setup_environ(settings)
+
+email = sys.argv[1]
+
+from helios.models import *
+print email
+print str(Election.objects.count())