website/news.html: fix 2016.08-rc1 release date

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/website/news.html

@@ -14,7 +14,7 @@
     <div class="timeline-panel">
       <div class="timeline-heading">
 	<h4 class="timeline-title">2016.08-rc1 released</h4>
-	<p><small class="text-muted"><i class="glyphicon glyphicon-time"></i>10 May 2016</small></p>
+	<p><small class="text-muted"><i class="glyphicon glyphicon-time"></i>6 August 2016</small></p>
       </div>
       <div class="timeline-body">
 	<p>We have a new release candidate! Lots of