clean up code formatting (purely cosmetic)

	modified:   src/io/binary_format.h
	modified:   src/io/binary_input_stream.h
	modified:   src/io/binary_output_stream.h
	modified:   src/io/chunk_and_pool.cc
	modified:   src/io/chunk_and_pool.h
	modified:   src/io/chunk_and_pool.test.cc
	modified:   src/io/endian.h
	modified:   src/io/input_consumer.cc
	modified:   src/io/input_consumer.h
	modified:   src/io/input_producer.cc
	modified:   src/io/input_producer.h
	modified:   src/io/output_consumer.cc
	modified:   src/io/output_consumer.h
	modified:   src/io/output_producer.cc
	modified:   src/io/output_producer.h
	modified:   src/io/stream.h
	modified:   src/io/stream.test.cc
	modified:   src/rpc/transceiver.cc
	modified:   src/rpc/transceiver.h
	modified:   src/rpc/transceiver.test.cc