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-config/pom.xml b/appc-config/pom.xml
index 46cf38e..3772a8b 100644
--- a/appc-config/pom.xml
+++ b/appc-config/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.onap.appc</groupId>
         <artifactId>appc</artifactId>
-        <version>1.5.0-SNAPSHOT</version>
+        <version>1.6.0-SNAPSHOT</version>
     </parent>
 
     <groupId>org.onap.appc</groupId>
@@ -113,5 +113,5 @@
             <module>appc-config-audit</module>
     </modules>
 
-    <version>1.5.0-SNAPSHOT</version>
+    <version>1.6.0-SNAPSHOT</version>
 </project>