Add 3.1.8 release

index.html

@@ -61,9 +61,9 @@
         </section>
 
         <aside id="sidebar">
-          <a href="https://github.com/corosync/corosync/releases/download/v3.1.7/corosync-3.1.7.tar.gz" class="button">
+          <a href="https://github.com/corosync/corosync/releases/download/v3.1.8/corosync-3.1.8.tar.gz" class="button">
             <small>Download latest stable</small>
-            camelback release <small>3.1.7</small>
+            camelback release <small>3.1.8</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>