install app files for djangocms-history==0.5.3

templates/djangocms_history/toolbar/ajax_button.html

@@ -0,0 +1,9 @@
+<a href="{{ url }}" data-rel="ajax" data-post="{{ data }}" class="cms-btn{% if active %} cms-btn-active{% endif %}{% if disabled %} cms-btn-disabled{% endif %}" data-on-success="{{ on_success }}">
+    <span>
+        <img
+            aria-hidden="true" style="vertical-align: text-bottom"
+            width="16" height="16" src="{{ icon }}" alt="{{ name }}"
+            title="{{ name }}">
+        <span class="cms-hidden" style="display: none;">{{ name }}</span>
+    </span>
+</a>