Update the event description for FOSDEM, based on what

rodrigo provided in the review below. Also, use his
changes to events.xml to activate the display of the
events on the front page of FreeBSD.org

Differential Revision:	https://reviews.freebsd.org/D17591

share/xml/events.xml

@@ -12,6 +12,10 @@
       $FreeBSD$
     </cvs:keyword>
 
+  <xi:include
+    href="http://www.FreeBSD.org/XML/share/xml/events2019.xml"
+    xpointer="xpointer(//event)" />
+
   <xi:include
     href="http://www.FreeBSD.org/XML/share/xml/events2018.xml"
     xpointer="xpointer(//event)" />

share/xml/events2019.xml

@@ -35,12 +35,18 @@
       <site>Free University of Brussels, Solbosch Campus</site>
     </location>
 
-    <description>FOSDEM is an event centered on free and open-source
-      software development.  As with many other communities, the BSDs
-      feature an alloted room for giving talks at the event.  See
-      schedule on the FOSDEM website for the talks held in the BSD
-      Developer room.  The FreeBSD Foundation will also be present to
-      share information about the project.</description>
+    <description>The Free and Open Source Software Developers'
+      European Meeting (FOSDEM) is a free event for software hackers
+      to meet, share ideas and collaborate.  Every year 8000+ open
+      source developers from all over the world gather at the event in
+      Brussels, Belgium. During the FOSDEM, developer rooms (devrooms)
+      are assigned to self organized open source groups and projects
+      to meet together and showcase their projects; a <a
+	href="https://fosdem.org/2019/schedule/track/bsd/">BSD
+	devroom</a> will host talks about BSD operating systems and
+      projects. If you want to submit a talk, see <a
+	href="http://blog.osorio.me/post.php?idpost=1">the
+	CfP</a>.</description>
   </event>
 
   <event id="asiabsdcon-2019">