Merge branch 'core#65' into 'master'

Make page titles and headers consistent. Advances BiscuIT-ng#65.

See merge request Teckids/BiscuIT/BiscuIT-App-Untis!5

biscuit/apps/untis/templates/untis/untis_import.html

@@ -2,6 +2,8 @@
 {% extends "core/base.html" %}
 {% load bootstrap4 font_awesome i18n static %}
 
+{% block bootstrap4_title %}{% blocktrans %}Import Untis data{% endblocktrans %} - {{ block.super }}{% endblock%}
+
 {% block page_title %}Import Untis data{% endblock %}
 
 {% block content %}