update CoC and legalese

DCO

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+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+660 York Street, Suite 102,
+San Francisco, CA 94110 USA
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.

NOTICE

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+CoreOS Project
+Copyright 2018 CoreOS, Inc
+
+This product includes software developed at CoreOS, Inc.
+(http://www.coreos.com/).

code-of-conduct.md

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+## CoreOS Community Code of Conduct
+
+### Contributor Code of Conduct
+
+As contributors and maintainers of this project, and in the interest of
+fostering an open and welcoming community, we pledge to respect all people who
+contribute through reporting issues, posting feature requests, updating
+documentation, submitting pull requests or patches, and other activities.
+
+We are committed to making participation in this project a harassment-free
+experience for everyone, regardless of level of experience, gender, gender
+identity and expression, sexual orientation, disability, personal appearance,
+body size, race, ethnicity, age, religion, or nationality.
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery
+* Personal attacks
+* Trolling or insulting/derogatory comments
+* Public or private harassment
+* Publishing others' private information, such as physical or electronic addresses, without explicit permission
+* Other unethical or unprofessional conduct.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct. By adopting this Code of Conduct,
+project maintainers commit themselves to fairly and consistently applying these
+principles to every aspect of managing this project. Project maintainers who do
+not follow or enforce the Code of Conduct may be permanently removed from the
+project team.
+
+This code of conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community.
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting a project maintainer, Brandon Philips
+<brandon.philips@coreos.com>, and/or Rithu John <rithu.john@coreos.com>.
+
+This Code of Conduct is adapted from the Contributor Covenant
+(http://contributor-covenant.org), version 1.2.0, available at
+http://contributor-covenant.org/version/1/2/0/
+
+### CoreOS Events Code of Conduct
+
+CoreOS events are working conferences intended for professional networking and
+collaboration in the CoreOS community. Attendees are expected to behave
+according to professional standards and in accordance with their employer’s
+policies on appropriate workplace behavior.
+
+While at CoreOS events or related social networking opportunities, attendees
+should not engage in discriminatory or offensive speech or actions including
+but not limited to gender, sexuality, race, age, disability, or religion.
+Speakers should be especially aware of these concerns.
+
+CoreOS does not condone any statements by speakers contrary to these standards.
+CoreOS reserves the right to deny entrance and/or eject from an event (without
+refund) any individual found to be engaging in discriminatory or offensive
+speech or actions.
+
+Please bring any concerns to the immediate attention of designated on-site
+staff, Brandon Philips <brandon.philips@coreos.com>, and/or Rithu John <rithu.john@coreos.com>.