add url field to DataIssue

templates/dataissues.html

@@ -6,7 +6,7 @@
 <h1>Loading data from files: Issues arising that need attention</h1>
 
 <p>
-This is work in progress (April 2021).
+This is work in progress (April 2021).The URL links to the offending objects are not enabled yet.
 <style>
 tr {    text-align:center;     
         font-family: Tahoma,'Trebuchet MS','Lucida Grande',Verdana, Arial, Helvetica, Sans-Serif;
@@ -25,7 +25,7 @@ td {    background : lightblue;     }
         <tr>
     {% endifchanged %}
     <td bgcolor={{mycolor}}>{{di.parser}}</td>
-    <td bgcolor={{mycolor}} style="text-align:left">{{di.message}}</td>
+    <td bgcolor={{mycolor}} style="text-align:left"><a href="{{di.url}}">{{di.message}}</a></td>
     </tr>
 {% endfor %}
 </font>