#101 Team mails

* adds mail templates for shared data actions
* fixes bug where deleted compensations would be used for checking

templates/email/sharing/shared_access_removed_team.html

@@ -0,0 +1,29 @@
+{% load i18n %}
+
+<div>
+    <h2>{% trans 'Shared access removed' %}</h2>
+    <h4>{{obj_identifier}}</h4>
+    <hr>
+    <article>
+        {% trans 'Hello team' %} {{team.name}},
+        <br>
+        {% trans 'your teams shared access, including editing, has been revoked for the dataset ' %}
+        <br>
+        <strong>{{obj_identifier}}</strong>
+        <br>
+        <strong>"{{obj_title}}"</strong>
+        <br>
+        {% trans 'However, you are still able to view the dataset content.' %}
+        {% trans 'Please use the provided search filter on the dataset`s overview pages to find them.' %}
+        <br>
+        <br>
+        {% trans 'Best regards' %}
+        <br>
+        KSP
+        <br>
+        <br>
+        <br>
+        {% include 'email/signature.html' %}
+    </article>
+</div>
+