Release version 2.2.0

Change-Id: I227e40013eae5a6b7683ba3a8205634eac03c819
diff --git a/api/pom.xml b/api/pom.xml
index 45a461b..78bd26c 100755
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>sadis</artifactId>
         <groupId>org.opencord</groupId>
-        <version>2.2.0-SNAPSHOT</version>
+        <version>2.2.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>