Updating copyrights

New format: 'Copyright .year-present Open Networking Laboratory'

Change-Id: I1a9e58b355b775e75245ad875a2d7a4df3f03098
diff --git a/api/pom.xml b/api/pom.xml
index 06dadf7..b884942 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright 2016 Open Networking Laboratory
+  ~ Copyright 2016-present Open Networking Laboratory
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
diff --git a/api/src/main/java/org/onosproject/olt/AccessDeviceConfig.java b/api/src/main/java/org/onosproject/olt/AccessDeviceConfig.java
index 07b73c8..5532e54 100644
--- a/api/src/main/java/org/onosproject/olt/AccessDeviceConfig.java
+++ b/api/src/main/java/org/onosproject/olt/AccessDeviceConfig.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/api/src/main/java/org/onosproject/olt/AccessDeviceData.java b/api/src/main/java/org/onosproject/olt/AccessDeviceData.java
index 0092cd3..e292cef 100644
--- a/api/src/main/java/org/onosproject/olt/AccessDeviceData.java
+++ b/api/src/main/java/org/onosproject/olt/AccessDeviceData.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/api/src/main/java/org/onosproject/olt/AccessDeviceService.java b/api/src/main/java/org/onosproject/olt/AccessDeviceService.java
index 456e264..ab6cd68 100644
--- a/api/src/main/java/org/onosproject/olt/AccessDeviceService.java
+++ b/api/src/main/java/org/onosproject/olt/AccessDeviceService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/api/src/main/java/org/onosproject/olt/package-info.java b/api/src/main/java/org/onosproject/olt/package-info.java
index edfcc0a..7cbf6c1 100644
--- a/api/src/main/java/org/onosproject/olt/package-info.java
+++ b/api/src/main/java/org/onosproject/olt/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Open Networking Laboratory
+ * Copyright 2016-present Open Networking Laboratory
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.