Bump content version to 1.4.0-SNAPSHOT (#936)

Author: Muppasanipraneeth

distro/pom.xml

@@ -55,7 +55,7 @@
     <stockmanagement.version>2.0.3</stockmanagement.version>
     <billing.version>1.3.2</billing.version>
     <!-- Content Packages -->
-    <reference-content.version>1.3.0-SNAPSHOT</reference-content.version>
+    <reference-content.version>1.4.0-SNAPSHOT</reference-content.version>
     <reference-demo-content.version>1.5.0-SNAPSHOT</reference-demo-content.version>
   </properties>