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/net/src/main/java/org/onosproject/net/resource/impl/LinkResourceManager.java b/core/net/src/main/java/org/onosproject/net/resource/impl/LinkResourceManager.java
index 57bae5a..6b02edd 100644
--- a/core/net/src/main/java/org/onosproject/net/resource/impl/LinkResourceManager.java
+++ b/core/net/src/main/java/org/onosproject/net/resource/impl/LinkResourceManager.java
@@ -25,22 +25,22 @@
 import org.onosproject.event.EventDeliveryService;
 import org.onosproject.net.Link;
 import org.onosproject.net.intent.IntentId;
-import org.onosproject.net.resource.BandwidthResourceAllocation;
-import org.onosproject.net.resource.BandwidthResourceRequest;
-import org.onosproject.net.resource.DefaultLinkResourceAllocations;
-import org.onosproject.net.resource.LambdaResource;
-import org.onosproject.net.resource.LambdaResourceAllocation;
-import org.onosproject.net.resource.LambdaResourceRequest;
-import org.onosproject.net.resource.LinkResourceAllocations;
-import org.onosproject.net.resource.LinkResourceEvent;
-import org.onosproject.net.resource.LinkResourceListener;
-import org.onosproject.net.resource.LinkResourceRequest;
-import org.onosproject.net.resource.LinkResourceService;
-import org.onosproject.net.resource.LinkResourceStore;
-import org.onosproject.net.resource.LinkResourceStoreDelegate;
-import org.onosproject.net.resource.MplsLabel;
-import org.onosproject.net.resource.MplsLabelResourceAllocation;
-import org.onosproject.net.resource.MplsLabelResourceRequest;
+import org.onosproject.net.resource.link.BandwidthResourceAllocation;
+import org.onosproject.net.resource.link.BandwidthResourceRequest;
+import org.onosproject.net.resource.link.DefaultLinkResourceAllocations;
+import org.onosproject.net.resource.link.LambdaResource;
+import org.onosproject.net.resource.link.LambdaResourceAllocation;
+import org.onosproject.net.resource.link.LambdaResourceRequest;
+import org.onosproject.net.resource.link.LinkResourceAllocations;
+import org.onosproject.net.resource.link.LinkResourceEvent;
+import org.onosproject.net.resource.link.LinkResourceListener;
+import org.onosproject.net.resource.link.LinkResourceRequest;
+import org.onosproject.net.resource.link.LinkResourceService;
+import org.onosproject.net.resource.link.LinkResourceStore;
+import org.onosproject.net.resource.link.LinkResourceStoreDelegate;
+import org.onosproject.net.resource.link.MplsLabel;
+import org.onosproject.net.resource.link.MplsLabelResourceAllocation;
+import org.onosproject.net.resource.link.MplsLabelResourceRequest;
 import org.onosproject.net.resource.ResourceAllocation;
 import org.onosproject.net.resource.ResourceRequest;
 import org.onosproject.net.resource.ResourceType;