Release version 2.2.1

Change-Id: Icd01ec35cef1c321cc60086a1db141f7b3fd46a4
diff --git a/pom.xml b/pom.xml
index 7a0bd51..9189433 100755
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>dhcpl2relay</artifactId>
-    <version>2.2.1-SNAPSHOT</version>
+    <version>2.2.1</version>
     <packaging>pom</packaging>
 
     <description>DHCP L2 Relay Agent</description>