add dashboard and plugin icons to plugin list and dash search

public/app/features/plugins/partials/plugin_list.html

@@ -27,7 +27,7 @@
 			</ul>
 
       <a class="get-more-plugins-link" href="https://grafana.com/plugins?utm_source=grafana_plugin_list" target="_blank">
-        Find more plugins on
+        Find more <img src="public/img/icn-plugins-tiny.svg" />plugins on <span>Grafana.com</span>
       </a>
     </div>
   </div>