Change to snapshot

Author: glibas

build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'signing'
 
 group 'com.assertthat.plugins'
 archivesBaseName = "assertthat-bdd-gradle-tasks"
-version '1.5'
+version '1.6-SNAPSHOT'
 
 sourceCompatibility = 1.7
 targetCompatibility = 1.7