findbugs high-rank issues

...unnel/java/src/net/i2p/i2ptunnel/I2PTunnelClientBase.java

core/java/src/net/i2p/crypto/TrustedUpdate.java

...t/i2p/router/message/OutboundClientMessageOneShotJob.java

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

...r/java/src/net/i2p/router/tunnel/PumpedTunnelGateway.java