Correct in-development version number to 0.1.6-SNAPSHOT

Per release engineering, the release job hiccupped and didn't properly
update the gradle version to 0.1.6-SNAPSHOT from 0.1.5's release version
setting. This change fixes the missing update

Author: Ryan O'Meara

gradle.properties

@@ -1,6 +1,6 @@
 # General library settings
 group=com.synopsys
-version=0.1.5
+version=0.1.6-SNAPSHOT
 
 org.gradle.console=plain
 org.gradle.warning.mode=all