Add mention, read/unread support of issue tracker

templates/admin/repos.tmpl

@@ -26,8 +26,8 @@
                         {{range .Repos}}
                         <tr>
                             <td>{{.Id}}</td>
-                            <th>{{.UserName}}</th>
-                            <td><a href="/{{.UserName}}/{{.Name}}">{{.Name}}</a></td>
+                            <th>{{.Owner.Name}}</th>
+                            <td><a href="/{{.Owner.Name}}/{{.Name}}">{{.Name}}</a></td>
                             <td><i class="fa fa{{if .IsPrivate}}-check{{end}}-square-o"></i></td>
                             <td>{{.NumWatches}}</td>
                             <td>{{.NumIssues}}</td>