Release app version 2.7.0 with API version 2.7.0

Change-Id: Ic8e08d4d2868ce7dbc6438a9fc660399ebcf277b
diff --git a/app/pom.xml b/app/pom.xml
index 8f009c8..0b5c6db 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <artifactId>dhcpl2relay</artifactId>
         <groupId>org.opencord</groupId>
-        <version>2.7.0-SNAPSHOT</version>
+        <version>2.7.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>