Add Code of Conduct

[blowmage]

Gcloud is adopting a Code of Conduct. This PR adds the Code of Conduct that was agreed upon in GoogleCloudPlatform/gcloud-common#23.

[broady]

The Go community will soon have a code of conduct:
https://groups.google.com/forum/#!msg/golang-nuts/sy-YcVPADjg/bcO6LAr29EIJ

I think it makes sense to use this code of conduct in the interim.

I'd prefer to see this text appended to CONTRIBUTING.md, or to README.md, though.

Thoughts, @okdave @adg ?

[adg]

CODE_OF_CONDUCT.md is an ugly file name. I would prefer it to be CONDUCT.md.

[blowmage]

AFAICT the majority of projects that have adopted this CoC have used this name. Folks who are scanning repos for a code of conduct will most likely be looking for this file. The Contributor Covenant site even expresses a preference for this file name:

Pledge your respect and appreciation for contributors and participants in your open source project by adding an explicit CODE_OF_CONDUCT.md to your project repository.

However, some projects have added the CoC contents to the CONTRIBUTING.md file instead.

[adg]

OK, let's add it to CONTRIBUTING.md. I can't bring myself to add such a
gross file name to the repo root.

On 26 August 2015 at 09:28, Mike Moore notifications@github.com wrote:

AFAICT the majority of projects that have adopted this CoC have used this
name. Folks who are scanning repos for a code of conduct will most likely
be looking for this file. The Contributor Covenant
http://contributor-covenant.org/ site even expresses a preference for
this file name:

Pledge your respect and appreciation for contributors and participants in
your open source project by adding an explicit CODE_OF_CONDUCT.md to your
project repository.

However, some projects have added the CoC contents to the CONTRIBUTING.md
file instead.

—
Reply to this email directly or view it on GitHub
#162 (comment)
.

[blowmage]

Updated the PR. Moved the content to the contributing guide and added a note about the code of conduct to the readme.

[gmlewis]

We don't use pull-requests in this repo, but instead use Gerrit.
See CONTRIBUTING.md for details.
I'm putting together a Gerrit CL for these changes and will leave this issue open until the CL is checked in.

[gmlewis]

https://code-review.googlesource.com/3351