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-metric/pom.xml b/appc-metric/pom.xml
index e6fc633..16997fe 100644
--- a/appc-metric/pom.xml
+++ b/appc-metric/pom.xml
@@ -42,5 +42,5 @@
 		<module>appc-metric-installer</module>
 	</modules>
   
-	<version>1.5.0-SNAPSHOT</version>
+	<version>1.6.0-SNAPSHOT</version>
 </project>