Enforce naming convention regarding abbreviations

Change-Id: Ic81038d3869268a55624ccbbf66048545158b0da
diff --git a/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VTNManager.java b/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VtnManager.java
similarity index 99%
rename from apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VTNManager.java
rename to apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VtnManager.java
index 252dcf0..f360afc 100644
--- a/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VTNManager.java
+++ b/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/manager/impl/VtnManager.java
@@ -82,7 +82,7 @@
 import org.onosproject.store.service.Serializer;
 import org.onosproject.store.service.StorageService;
 import org.onosproject.store.service.Versioned;
-import org.onosproject.vtn.manager.VTNService;
+import org.onosproject.vtn.manager.VtnService;
 import org.onosproject.vtn.table.ArpService;
 import org.onosproject.vtn.table.ClassifierService;
 import org.onosproject.vtn.table.DnatService;
@@ -131,7 +131,7 @@
  */
 @Component(immediate = true)
 @Service
-public class VTNManager implements VTNService {
+public class VtnManager implements VtnService {
     private final Logger log = getLogger(getClass());
     private static final String APP_ID = "org.onosproject.app.vtn";