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/intent/constraint/WaypointConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
index 49a52ec..579e44d 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/WaypointConstraint.java
@@ -21,7 +21,7 @@
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
 import org.onosproject.net.intent.Constraint;
-import org.onosproject.net.resource.LinkResourceService;
+import org.onosproject.net.resource.link.LinkResourceService;
 
 import java.util.Collections;
 import java.util.LinkedList;