Hide the search term message if nothing provided

opentech/apply/dashboard/templates/dashboard/search.html

@@ -2,5 +2,7 @@
 
 {% block page_header %}
     <h3>Search Results</h3>
-    <h5>There are {{ object_list|length }} results for: {{ search_term }}</h5>
+    {% if search_term %}
+        <h5>There are {{ object_list|length }} results for: {{ search_term }}</h5>
+    {% endif %}
 {% endblock %}