Bumping samples to 1.6.0-SNAPSHOT.

Change-Id: I5ff577f8e6c10e4ccd976428ffde7a43c7662e2f
diff --git a/ifwd/pom.xml b/ifwd/pom.xml
index 7704fe3..2b5d57b 100644
--- a/ifwd/pom.xml
+++ b/ifwd/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-app-samples</artifactId>
-        <version>1.5.0-SNAPSHOT</version>
+        <version>1.6.0-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>