Fix TestSetMessageTwice failing because map is unordered

Also added some more checks to data/message_test.go
Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Add CONTRIBUTING.md

Based off spdystream contributing file.

Fixes #16

Signed-off-by: Paul Nasrat <pnasrat@google.com> (github: pnasrat)
Rename beam to libchan everywhere

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Merge pull request #8
Add .travis.yml

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Add travis badge

Docker-DCO-1.1-Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com> (github: LK4D4)
Add support for file descriptors
Make use of header frames for commands which do not need streams

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Add documentation to http2 code

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Minor change, running gofmt

docker-DCO-1.1-Signed-off-by: Frederick F. Kautz IV <fkautz@redhat.com> (github: fkautz)
Merge pull request #14
Add Derek to http2 maintainers
Merge pull request #18
Fix go vet warnings.

Mostly unreachable code, one format string issue.

Signed-off-by: Paul Nasrat <pnasrat@google.com> (github: pnasrat)