docs/news.html: announce slides from 'Buildroot: What is new' presentation at ELCE

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

docs/news.html

@@ -5,6 +5,13 @@
 <p>
 
 <ul>
+  <li><b>30 November 2013 -- Slides from Embedded Linux Conference Europe</b>
+
+    <p>The slides from the Buildroot presentation at the recent
+    <a href="http://events.linuxfoundation.org/events/embedded-linux-conference-europe">Embedded Linux Conference Europe 2013</a>
+    are now
+    <a href="http://elinux.org/images/2/23/Buildroot-whats-new-elce2013.pdf">available</a>.</p>
+
   <li><b>18 November 2013 -- 2013.11-rc3 released</b>
 
     <p>Another week, another release candidate with more fixes. See the <a