Correctly display action on Create/Update templates

passbook/admin/templates/generic/create.html

@@ -5,3 +5,7 @@
 {% block above_form %}
 <h1>{% trans 'Create' %}</h1>
 {% endblock %}
+
+{% block action %}
+{% trans 'Create' %}
+{% endblock %}

passbook/admin/templates/generic/form.html

@@ -11,7 +11,7 @@
     <form action="" method="post" class="form-horizontal">
       {% include 'partials/form.html' with form=form %}
       <a class="btn btn-default" href="{% back %}">{% trans "Cancel" %}</a>
-      <input type="submit" class="btn btn-primary" value="{% trans 'Create' %}" />
+      <input type="submit" class="btn btn-primary" value="{% block action %}{% endblock %}" />
     </form>
   </div>
 </div>

passbook/admin/templates/generic/update.html

@@ -5,3 +5,7 @@
 {% block above_form %}
 <h1>{% trans 'Update' %}</h1>
 {% endblock %}
+
+{% block action %}
+{% trans 'Update' %}
+{% endblock %}