Bump Demo content package to 1.6.0

Author: jayasanka-sack

distro/pom.xml

@@ -56,7 +56,7 @@
     <billing.version>1.3.2</billing.version>
     <!-- Content Packages -->
     <reference-content.version>1.3.0</reference-content.version>
-    <reference-demo-content.version>1.5.0</reference-demo-content.version>
+    <reference-demo-content.version>1.6.0</reference-demo-content.version>
   </properties>
 
   <dependencies>