Add 3.0.0 release

Signed-off-by: Jan Friesse <jfriesse@redhat.com>

index.html

@@ -59,14 +59,14 @@
         </section>
 
         <aside id="sidebar">
+          <a href="http://build.clusterlabs.org/corosync/releases/corosync-3.0.0.tar.gz" class="button">
+            <small>Download latest stable</small>
+            camelback release <small>3.0.0</small>
+          </a>
           <a href="http://build.clusterlabs.org/corosync/releases/corosync-2.4.4.tar.gz" class="button">
             <small>Download latest stable</small>
             needle release <small>2.4.4</small>
           </a>
-          <a href="http://build.clusterlabs.org/corosync/releases/corosync-2.99.5.tar.gz" class="button">
-            <small>Download latest testing</small>
-            camelback release <small>2.99.5 - Beta1</small>
-          </a>
 
           <p class="repo-owner"><a href="https://github.com/corosync/corosync"></a> is maintained by <a href="https://github.com/corosync">corosync</a>.</p>