Increment snapshot version

Change from 1.5.0-SNAPSHOT to 1.6.0-SNAPSHOT to prepare
for next development cycle.

Change-Id: I187785ab4b11a37815289d20ba802c48e86cee7f
Signed-off-by: Patrick Brady <patrick.brady@att.com>
Issue-ID: APPC-1585
diff --git a/appc-dg/appc-dg-shared/pom.xml b/appc-dg/appc-dg-shared/pom.xml
index 23025bf..37e9aad 100644
--- a/appc-dg/appc-dg-shared/pom.xml
+++ b/appc-dg/appc-dg-shared/pom.xml
@@ -47,6 +47,6 @@
     	<module>appc-dg-domain-model-lib</module>
 		<module>appc-dg-mdsal-store</module>
   </modules>
-	<version>1.5.0-SNAPSHOT</version>
+	<version>1.6.0-SNAPSHOT</version>
 	<groupId>org.onap.appc</groupId>
 </project>