flowcache pipeline work

...tcontroller/devicemanager/internal/DeviceManagerImpl.java

...t/floodlightcontroller/devicemanager/internal/Entity.java

...loodlightcontroller/flowcache/IFlowReconcileListener.java

.../net/floodlightcontroller/flowcache/OFMatchReconcile.java

...java/net/floodlightcontroller/routing/ForwardingBase.java

src/main/java/org/openflow/protocol/OFMatch.java

.../openflow/protocol/serializers/OFMatchJSONSerializer.java

...oodlightcontroller/learningswitch/LearningSwitchTest.java