fix missing vars

archivebox/templates/index_row.html

@@ -1,5 +1,5 @@
 <tr>
-    <td title="Bookmarked timestamp: $timestamp">$date</td>
+    <td title="Bookmarked timestamp: $timestamp">$bookmarked_date</td>
     <td>
         <a href="$files_url" title="Link Index">
             <img src="$favicon_url" onerror="this.src='static/spinner.gif'" class="link-favicon">

archivebox/templates/link_index.html

@@ -18,7 +18,7 @@
             Type: $type<br/>
             <br/>
             Bookmarked:<br/>
-                <span title="$timestamp">$bookmarked</span><br/>
+                <span title="$timestamp">$bookmarked_date</span><br/>
             Archived:<br/>
                 <span title="$updated">$updated_date</span><br/>
         </div>

archivebox/templates/link_index_fancy.html

@@ -172,7 +172,7 @@
         <div class="site-header container-fluid">
             <div class="row archive-page-header">
                 <div class="col-lg-4 alert well">
-                    Bookmarked: <small title="Timestamp: $timestamp">$date</small>
+                    Bookmarked: <small title="Timestamp: $timestamp">$bookmarked_date</small>
                     &nbsp; | &nbsp;
                     Last updated: <small title="Timestamp: $updated">$updated_date</small>
                 </div>