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/store/dist/src/main/java/org/onosproject/store/flow/impl/NewDistributedFlowRuleStore.java b/core/store/dist/src/main/java/org/onosproject/store/flow/impl/NewDistributedFlowRuleStore.java
index 828b5a0..35d004e 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/flow/impl/NewDistributedFlowRuleStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/flow/impl/NewDistributedFlowRuleStore.java
@@ -66,7 +66,7 @@
 import org.onosproject.store.flow.ReplicaInfoService;
 import org.onosproject.store.serializers.KryoSerializer;
 import org.onosproject.store.serializers.StoreSerializer;
-import org.onosproject.store.serializers.impl.DistributedStoreSerializers;
+import org.onosproject.store.serializers.custom.DistributedStoreSerializers;
 import org.osgi.service.component.ComponentContext;
 import org.slf4j.Logger;