Add 3.1.5 release

index.html

@@ -61,9 +61,9 @@
         </section>
 
         <aside id="sidebar">
-          <a href="https://github.com/corosync/corosync/releases/download/v3.1.4/corosync-3.1.4.tar.gz" class="button">
+          <a href="https://github.com/corosync/corosync/releases/download/v3.1.5/corosync-3.1.5.tar.gz" class="button">
             <small>Download latest stable</small>
-            camelback release <small>3.1.4</small>
+            camelback release <small>3.1.5</small>
           </a>
           <a href="https://github.com/corosync/corosync/releases/download/v2.4.5/corosync-2.4.5.tar.gz" class="button">
             <small>Download latest stable</small>