Moving LabelResourceManager to incubator

Breaking apart resource package into {device, link, label}
Refactored cluster serializers so they are visible

Change-Id: I71051bcd5e790ae6abeb154bf58286e584c32858
diff --git a/core/api/src/main/java/org/onosproject/net/resource/ResourceId.java b/core/api/src/main/java/org/onosproject/net/resource/ResourceId.java
index 3fbe1d7..dd11153 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/ResourceId.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/ResourceId.java
@@ -16,7 +16,7 @@
 package org.onosproject.net.resource;
 
 /**
- * Representation of ID for allocated resource.
+ * Resource identifier.
  */
 public interface ResourceId {