email confirmation for new user registration - still need coach

rowers/templates/acc_activate_email.html

@@ -0,0 +1,7 @@
+{% autoescape off %}
+Hi {{ user.username }},
+Please click on the link to confirm your registration,
+
+http://{{ domain }}{% url 'useractivate' uidb64=uid token=token %}
+If you think, it's not you, then just ignore this email.
+{% endautoescape %}