Add MapQuest as additional geocoding provider

src/pretix/control/templates/pretixcontrol/global_settings.html

@@ -6,7 +6,7 @@
     <form action="" method="post" class="form-horizontal" enctype="multipart/form-data">
         {% csrf_token %}
         {% bootstrap_form_errors form %}
-        {% bootstrap_form form layout='horizontal' %}
+        {% bootstrap_form form layout='control' %}
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">
                 {% trans "Save" %}