Router: Minor cleanups from release review

core/java/src/net/i2p/client/impl/I2PSessionImpl.java

core/java/src/net/i2p/data/DatabaseEntry.java

...ava/src/net/i2p/router/client/ClientConnectionRunner.java

router/java/src/net/i2p/router/client/ClientManager.java

...va/src/net/i2p/router/client/ClientManagerFacadeImpl.java

...va/src/net/i2p/router/dummy/DummyClientManagerFacade.java

...rc/net/i2p/router/networkdb/kademlia/ExpireLeasesJob.java

...er/networkdb/kademlia/FloodfillNetworkDatabaseFacade.java

...networkdb/kademlia/FloodfillNetworkDatabaseSegmentor.java

...rkdb/kademlia/HandleFloodfillDatabaseStoreMessageJob.java

...net/i2p/router/networkdb/kademlia/IterativeSearchJob.java

...ter/networkdb/kademlia/KademliaNetworkDatabaseFacade.java

...va/src/net/i2p/router/networkdb/reseed/ReseedChecker.java

router/java/src/net/i2p/router/startup/BootNetworkDbJob.java

.../net/i2p/router/transport/ntcp/InboundEstablishState.java

router/java/src/net/i2p/router/tunnel/TunnelDispatcher.java