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-oam/appc-oam-features/onap-appc-oam/pom.xml b/appc-oam/appc-oam-features/onap-appc-oam/pom.xml
index eb94d18..e45ccf0 100644
--- a/appc-oam/appc-oam-features/onap-appc-oam/pom.xml
+++ b/appc-oam/appc-oam-features/onap-appc-oam/pom.xml
@@ -31,7 +31,7 @@
 
     <groupId>org.onap.appc</groupId>
     <artifactId>onap-appc-oam</artifactId>
-    <version>1.5.0-SNAPSHOT</version>
+    <version>1.6.0-SNAPSHOT</version>
     <packaging>feature</packaging>
 
     <name></name>