flow reconcile engine: clean up

...ava/net/floodlightcontroller/core/FloodlightProvider.java

...va/net/floodlightcontroller/core/internal/Controller.java

...n/java/net/floodlightcontroller/flowcache/FCQueryObj.java

...in/java/net/floodlightcontroller/flowcache/FlowCache.java

...et/floodlightcontroller/flowcache/FlowCacheQueryResp.java

.../floodlightcontroller/flowcache/FlowReconcileManager.java

...net/floodlightcontroller/flowcache/IFlowCacheService.java

...net/floodlightcontroller/flowcache/IFlowQueryHandler.java

...floodlightcontroller/flowcache/IFlowReconcileService.java

...va/net/floodlightcontroller/flowcache/QRFlowCacheObj.java