Implement basic Group handling (#3)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#3

templates/modals/objects/edit_package_permissions_modal.html

@@ -66,7 +66,7 @@
                         </div>
                     </form>
                 </div>
-
+                <p></p>
                 {% for up in user_permissions %}
                 <div class="row">
                     <form id="modal-form-permissions_{{ up.user.uuid }}" class="form-inline" role="form"
@@ -93,7 +93,7 @@
                     </form>
                 </div>
                 {% endfor %}
-
+                <p></p>
                 {% for gp in group_permissions %}
                 <div class="row">
                     <form id="modal-form-permissions_{{ gp.user.uuid }}" class="form-inline" role="form"