ONOS-533 Fix copyrights

- Any files created in 2014 and modified in 2015 got a copyright of
  2014-2015
- Used canonical form of 2014-2015 to be inclusive of extra years.
  Some files had 2014,2015

Change-Id: If9a133618873e4000b8f10299bde7c870eb1fbd5
diff --git a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/SuppressionRules.java b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/SuppressionRules.java
index e08c942..27c75eb 100644
--- a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/SuppressionRules.java
+++ b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/SuppressionRules.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.