Release version 2.2.2

Change-Id: Ifdb8e381f165d7f90435d965ea7b6d978d5fcb79
diff --git a/pom.xml b/pom.xml
index 1163858..9746713 100755
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
     <groupId>org.opencord</groupId>
     <artifactId>dhcpl2relay</artifactId>
-    <version>2.2.2-SNAPSHOT</version>
+    <version>2.2.2</version>
     <packaging>pom</packaging>
 
     <description>DHCP L2 Relay Agent</description>