Add 'auto' option for timestamp times

Author: themightychris

html-templates/subtemplates/timestamp.tpl

@@ -1 +1,8 @@
-{template timestamp timestamp time=no}<time datetime="{date($.const.DATE_W3C, $timestamp)}" title="{$timestamp|date_format:"%c"}">{$timestamp|date_format:tif($time, "%-d %b %Y&mdash;%I:%M %P", "%-d %b %Y")}</time>{/template}
+{template timestamp timestamp time=no}{strip}
+    {if $time === 'auto'}
+        {$time = tif(date('Hi', $timestamp) == '0000' ? false : true)}
+    {/if}
+    <time datetime="{date($.const.DATE_W3C, $timestamp)}" title="{$timestamp|date_format:"%c"}">
+        {$timestamp|date_format:tif($time, "%-d %b %Y&mdash;%I:%M %P", "%-d %b %Y")}
+    </time>
+{/strip}{/template}