euscanwww: included django-registration and tweaked templates

Signed-off-by: volpino <fox91@anche.no>

euscanwww/djeuscan/templates/registration/registration_complete.html

@@ -0,0 +1,6 @@
+{% extends "registration/_registration_base.html" %}
+{% block title %}Activation email sent{% endblock %}
+
+{% block content %}
+  An activation email has been sent. Please check your email and click on the link to activate your account.
+{% endblock %}