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-adapters/appc-rest-healthcheck-adapter/pom.xml b/appc-adapters/appc-rest-healthcheck-adapter/pom.xml
index 7d2e571..f86bd4c 100644
--- a/appc-adapters/appc-rest-healthcheck-adapter/pom.xml
+++ b/appc-adapters/appc-rest-healthcheck-adapter/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.onap.appc</groupId>
     <artifactId>appc-adapters</artifactId>
-    <version>1.5.0-SNAPSHOT</version>
+    <version>1.6.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>appc-rest-healthcheck-adapter</artifactId>
@@ -142,5 +142,5 @@
     <module>appc-rest-healthcheck-adapter-features</module>
     <module>appc-rest-healthcheck-adapter-installer</module>
   </modules>
-  <version>1.5.0-SNAPSHOT</version>
+  <version>1.6.0-SNAPSHOT</version>
 </project>