add back link to exps, fixes #11

beat/web/reports/templates/reports/panels/experiment_table.html

@@ -131,7 +131,7 @@
 {% else %} <!-- if objects -->
 <div class="row">
 	<div class="col-sm-12 not-found">
-		No experiment found
+		<i class="fa fa-warning fa-lg"></i> You have <strong>not added any experiments</strong> in this report yet. You may add experiments from <a href="{{ URL_PREFIX }}/experiments/{{ request.user.username }}/">any experiment list page</a> to unlock editing features for this report.
 	</div>
 </div><!-- row -->
 {% endif %} <!-- if objects -->