Update ONOS version to 1.6.0

Change-Id: Ieff35a266838a66c7928f3b3e63cf3b934fd39fb
diff --git a/pom.xml b/pom.xml
index 83f71df..1014eb5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos</artifactId>
-        <version>1.6.0-SNAPSHOT</version>
+        <version>1.6.0</version>
         <relativePath></relativePath>
     </parent>
 
@@ -42,7 +42,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <onos.version>1.6.0-SNAPSHOT</onos.version>
+        <onos.version>1.6.0</onos.version>
         <onos.app.name>org.opencord.olt</onos.app.name>
         <onos.app.title>OLT Access Management</onos.app.title>
         <onos.app.origin>OpenCord</onos.app.origin>