#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_given_team.html

@@ -0,0 +1,34 @@
+{% load i18n %}
+
+<div>
+    <h2>{% trans 'Access shared' %}</h2>
+    <h4>{{obj_identifier}}</h4>
+    <hr>
+    <article>
+        {% trans 'Hello team' %} {{team.name}},
+        <br>
+        {% trans 'the following dataset has just been shared with your team' %}
+        <br>
+        <strong>{{obj_identifier}}</strong>
+        <br>
+        <strong>"{{obj_title}}"</strong>
+        <br>
+        {% trans 'This means you can now edit this dataset.' %}
+        {% trans 'The shared dataset appears now by default on your overview for this dataset type.' %}
+        <br>
+        <br>
+        {% trans 'Best regards' %}
+        <br>
+        KSP
+        <br>
+        <br>
+        <br>
+        <small>
+            {% trans 'Please note: Shared access on an intervention means you automatically have editing access to related compensations.' %}
+        </small>
+        <br>
+        <br>
+        {% include 'email/signature.html' %}
+    </article>
+</div>
+