OZG-3368 update pluto version

pom.xml

@@ -50,7 +50,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		
 		<kop.license.version>1.3.0</kop.license.version>
-		<pluto.version>1.5.0</pluto.version>
+		<pluto.version>1.6.0-SNAPSHOT</pluto.version>
 		<jsoup.version>1.15.1</jsoup.version>
 		<kop-common-pdf.version>1.3.0</kop-common-pdf.version>
 		<user-manager.version>1.4.0</user-manager.version>