Added the deletion of old revisions of the wiki pages.

src/IDF/templates/idf/wiki/view.html

@@ -18,6 +18,9 @@ by {$submitter}.{/blocktrans}</p>
 {markdown $rev.content, $request}
 {else}
 {markdown $oldrev.content, $request}
+{if $isOwner or $isAdmin}{aurl 'url', 'IDF_Views_Wiki::deleteRev', array($project.shortname, $oldrev.id)}
+<p class="delp"><a href="{$url}" title="{trans 'Delete this revision'}"><img src="{media '/idf/img/trash.png'}" style="vertical-align: text-bottom;" alt="{trans 'Trash'}" /></a> <a href="{$url}">{trans 'Delete this revision'}</a></p>
+{/if}
 {/if}
 
 {/block}