minor cleanups

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

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

...a/src/net/i2p/router/tunnel/InboundEndpointProcessor.java

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

...a/src/net/i2p/router/tunnel/OutboundGatewayProcessor.java

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

...r/java/src/net/i2p/router/tunnel/pool/BuildRequestor.java

router/java/src/net/i2p/router/tunnel/pool/TunnelPool.java