Show blog,blogpost tags on view/view page

Signed-off-by: Richard Mansfield <richardm@catalyst.net.nz>

htdocs/artefact/blog/blocktype/blog/theme/raw/blog_render_self.tpl

 {if !$options.hidetitle}<h2>{$artefacttitle}</h2>{/if}
 
 {$description}
+{if $tags}<div class="tags">{str tag=tags}: {list_tags owner=$owner tags=$tags}</div>{/if}
 
 {foreach from=$postdata item=post}
 {$post.content.html}

htdocs/artefact/blog/lib.php

@@ -217,6 +217,8 @@ class ArtefactTypeBlog extends ArtefactType {
 
         $smarty->assign('options', $options);
         $smarty->assign('description', clean_html($this->get('description')));
+        $smarty->assign('owner', $this->get('owner'));
+        $smarty->assign('tags', $this->get('tags'));
 
         // Remove unnecessary options for blog posts
         unset($options['hidetitle']);

htdocs/artefact/blog/theme/raw/render/blogpost_renderfull.tpl

@@ -8,6 +8,7 @@
   <table class="cb attachments fullwidth">
     <tbody>
       <tr><th colspan="2">{str tag=attachedfiles section=artefact.blog}:</th></tr>
+  {if $artefact->get('tags')}<div class="tags">{str tag=tags}: {list_tags owner=$artefact->get('owner') tags=$artefact->get('tags')}</div>{/if}
   {foreach from=$attachments item=item}
       <tr class="r{cycle values=1,0}">
         {if $icons}<td style="width: 22px;"><img src="{$item->iconpath|escape}" alt=""></td>{/if}