email confirmation for new user registration - still need coach

rowers/tokens.py

@@ -0,0 +1,12 @@
+from django.contrib.auth.tokens import PasswordResetTokenGenerator
+from django.utils import six
+
+
+class AccountActivationTokenGenerator(PasswordResetTokenGenerator):
+    def _make_hash_value(self, user, timestamp):
+        return (
+            six.text_type(user.pk) + six.text_type(timestamp) +
+            six.text_type(user.is_active)
+        )
+
+account_activation_token = AccountActivationTokenGenerator()