Merge pull request #540 from ctiller/copyright

LICENSE

Makefile

examples/pubsub/empty.proto

examples/pubsub/label.proto

examples/pubsub/main.cc

examples/pubsub/publisher.cc

examples/pubsub/publisher.h

examples/pubsub/publisher_test.cc

examples/pubsub/pubsub.proto

examples/pubsub/subscriber.cc

examples/pubsub/subscriber.h

examples/pubsub/subscriber_test.cc

include/grpc++/channel_arguments.h

include/grpc++/channel_interface.h

include/grpc++/client_context.h

include/grpc++/completion_queue.h

include/grpc++/config.h

include/grpc++/create_channel.h

include/grpc++/credentials.h

include/grpc++/impl/call.h