Release version 2.2.2

Change-Id: Ifdb8e381f165d7f90435d965ea7b6d978d5fcb79
diff --git a/app/pom.xml b/app/pom.xml
index e6c69c4..3b08f8f 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dhcpl2relay</artifactId>
         <groupId>org.opencord</groupId>
-        <version>2.2.2-SNAPSHOT</version>
+        <version>2.2.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>