- report when a builder is in no channels

- improve formatting when there are no active buildroots

www/kojiweb/hostinfo.chtml

@@ -53,12 +53,15 @@
         #for $channel in $channels
         <a href="channelinfo?channelID=$channel.id">$channel.name</a><br/>
         #end for
+        #if not $channels
+        No channels
+        #end if
       </td>
     </tr>
     <tr>
       <th>Active Buildroots</th>
+      #if $buildroots
       <td class="container">
-        #if $len($buildroots) > 0
         <table class="nested data-list">
           <tr class="list-header">
             <th>Buildroot</th><th>Created</th><th>State</th>
@@ -71,10 +74,12 @@
           </tr>
           #end for
         </table>
-        #else
-        No buildroots
-        #end if
       </td>
+      #else
+      <td>
+        No buildroots
+      </td>
+      #end if
     </tr>
     #if 'admin' in $perms
     <tr>