bump the versions for all the SO to 1.6.0

Issue-ID: SO-2519

Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
Change-Id: Id0993b244b0978375ff8476e4bf8ef79e1bb9e68
diff --git a/mso-api-handlers/pom.xml b/mso-api-handlers/pom.xml
index b4d5c70..5c84ab1 100644
--- a/mso-api-handlers/pom.xml
+++ b/mso-api-handlers/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.onap.so</groupId>
     <artifactId>so</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>mso-api-handlers</artifactId>