Adding parent pom.xml and updating children
diff --git a/calendar/pom.xml b/calendar/pom.xml
index 32abb2b..e4e1f5a 100644
--- a/calendar/pom.xml
+++ b/calendar/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
+        <artifactId>onos-app-samples</artifactId>
         <version>1.2.0-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>