Fix network/message errors and formatting

network/message/fingerprints.go

network/message/fingerprints_test.go

network/message/handler.go

network/message/inProgress_test.go

network/message/meteredCmixMessageBuffer.go

network/message/meteredCmixMessageBuffer_test.go

network/message/pickup.go

network/message/processor.go

network/message/serviceGenerators.go

network/message/serviceInterface.go

network/message/serviceTracker.go

network/message/services.go

network/message/utils_test.go