jobset page: render error labels per eval

src/root/common.tt

@@ -476,6 +476,9 @@ BLOCK renderEvals %]
             ELSE %]
              -
             [% END %]
+            [% IF eval.errormsg %]
+              <span class="label label-warning">Eval Errors</span>
+            [% END %]
           </td>
           <td align='right' class="nowrap">
             <span class="label label-success">[% e.nrSucceeded %]</span>

src/root/jobset-eval.tt

@@ -88,6 +88,11 @@ c.uri_for(c.controller('JobsetEval').action_for('view'),
     <li><a href="#tabs-unfinished" data-toggle="tab">Queued jobs ([% unfinished.size %])</a></li>
   [% END %]
   <li><a href="#tabs-inputs" data-toggle="tab">Inputs</a></li>
+
+  [% IF eval.errormsg %]
+    <li><a href="#tabs-errors" data-toggle="tab"><span class="text-warning">Evaluation errors</span></a></li>
+  [% END %]
+
 </ul>
 
 [% BLOCK renderSome %]
@@ -167,6 +172,12 @@ c.uri_for(c.controller('JobsetEval').action_for('view'),
     [% END %]
   </div>
 
+  [% IF eval.errormsg %]
+    <div id="tabs-errors" class="tab-pane">
+      <p>Errors occurred at [% INCLUDE renderDateTime timestamp=(eval.errortime || eval.timestamp) %].</p>
+      <pre class="alert alert-error">[% HTML.escape(eval.errormsg) %]</pre>
+    </div>
+  [% END %]
 </div>
 
 [% END %]