Release version 2.1.1

Change-Id: I47455877e0139626fa3843a87986074baa98d4c4
diff --git a/pom.xml b/pom.xml
index c34c9c2..5485d53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>onos-app-igmpproxy</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <packaging>pom</packaging>
 
     <modules>