SSO and messages

* adds message for checking of intervention
* refactors sso message sending to handle an iterable of users
* adds specific method for sending object checking related messages
* adds label support for modal form for more simple clicking of checkboxes

templates/form/generic_table_form_body.html

@@ -4,7 +4,7 @@
                 {% for field in form %}
                 <tr title="{{ field.help_text }}" class="{% if field.errors %}error{% endif %}">
                     <th scope="row" class="col-sm-3">
-                        <div>{{ field.label }}<span class="label-required">{% if field.field.required %}*{% endif %}</span></div>
+                        <label for="id_{{ field.name }}">{{ field.label }}<span class="label-required">{% if field.field.required %}*{% endif %}</span></label>
                         <small>{{ field.help_text }}</small>
                     </th>
                     <td class="col-sm-9">