Added 5.15.1 release notes

distro/src/readme.html

@@ -35,6 +35,14 @@
 
   <h1>Activiti Release Notes</h1>
   
+  <h3>Release Notes - Activiti - Version 5.15.1</h3>
+  
+   <h4>Highlights</h4>
+   <ul>
+    <li>Bug fix release for a MySQL upgrade issue (more details <a href="http://forums.activiti.org/content/important-activiti-515-and-mysql-56-users">here</a>)</li>
+    <li>Some small improvements from pull requests</li>
+   </ul>
+  
   <h3>Release Notes - Activiti - Version 5.15</h3>
   
    <h4>Highlights</h4>