Release version 2.2.0

Change-Id: I7c2fb00e9bb3953e404eaa053e77143e89cbc3a9
diff --git a/pom.xml b/pom.xml
index faf0b5d..39bb806 100755
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>dhcpl2relay</artifactId>
-    <version>2.2.0-SNAPSHOT</version>
+    <version>2.2.0</version>
     <packaging>pom</packaging>
 
     <description>DHCP L2 Relay Agent</description>