euscanwww: initial implementation of euscan updates email

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

euscanwww/djeuscan/templates/euscan/accounts/euscan_email.txt

@@ -0,0 +1,6 @@
+Hello {{ user }},
+
+euscan news:
+{% for vlog in vlogs %}
+  * {{ vlog.package.category }}/{{ vlog.package.name }}-{{ vlog.version }}-{{ vlog.revision }}:{{ vlog.slot }} [{{ vlog.vtype }}]
+{% endfor %}

euscanwww/djeuscan/templates/euscan/accounts/preferences.html

@@ -80,6 +80,10 @@
         <th>{{ form.email_activated.label_tag }}</th>
         <td><ul class="errorlist">{{ form.email_activated.errors }}</ul>{{ form.email_activated }}</td>
       </tr>
+      <tr>
+        <th>{{ form.email_every.label_tag }}</th>
+        <td><ul class="errorlist">{{ form.email_every.errors }}</ul>{{ form.email_every }}</td>
+      </tr>
       <tr>
         <th>{{ form.email_ignore_pre.label_tag }}</th>
         <td><ul class="errorlist">{{ form.email_ignore_pre.errors }}</ul>{{ form.email_ignore_pre }}</td>