Release version 1.6.0 maven artifacts

Release version 1.6.0 (Montreal) maven artifacts and roll to next snapshot

Issue-ID: CCSDK-3956
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: I371dfa10e265c130d80b397a60debb3ebb650558
diff --git a/version.properties b/version.properties
index 576a5c9..acbf084 100644
--- a/version.properties
+++ b/version.properties
@@ -6,7 +6,7 @@
 
 release_name=1
 sprint_number=6
-feature_revision=0
+feature_revision=1
 
 base_version=${release_name}.${sprint_number}.${feature_revision}