Manual 'repolint' at TODO hackathon - license and contribution info

Update LICENSE to match other repos.

Add CONTRIBUTING.md.

Add Mission and Contributing sections to README.md.

CONTRIBUTING.md

@@ -0,0 +1,15 @@
+# Contributing to ClearlyDefined
+
+The ClearlyDefined project welcomes your suggestions and contributions! Before opening your first issue or pull request, please review our
+[Code of Conduct](CODE_OF_CONDUCT.md) to understand how our community interacts in an inclusive and respectful manner.
+
+## Contribution Licensing
+
+Most of our code is distributed under the terms of the [MIT license](LICENSE), and when you contribute code that you wrote to our repositories, 
+you agree that you are contributing under those same terms. In addition, by submitting your contributions you are indicating that
+you have the right to submit those contributions under those terms.
+
+## Other Contribution Information
+
+If you wish to contribute code or documentation authored by others, or using the terms of any other license, please indicate that clearly in your
+pull request so that the project team can discuss the situation with you.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) clearlydefined
+Copyright 2018 Microsoft Corporation and others.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -41,15 +41,16 @@ results of applying a particular curation PR to the harvested and curated data f
 * https://clearlydefined.io/curation/npm/npmjs/@someNamespace/coolpackage/1.13/pr/37
 * https://clearlydefined.io/curation/git/github/clearlydefined/service/0.1.0
 
-# Contributing
+# ClearlyDefined, defined.
+
+## Mission
+Help FOSS projects be more successful through clearly defined project data.
 
-This project welcomes contributions and suggestions. Most contributions require you to
-agree to a Contributor License Agreement (CLA) declaring that you have the right to,
-and actually do, grant the project the rights to use your contribution. Details are TBD.
+For more details on the project, check out the [wiki](../../../clearlydefined/wiki).
+
+# Contributing
 
-When you submit a pull request, a CLA-bot will automatically determine whether you need
-to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the
-instructions provided by the bot. You will only need to do this once across all repositories using our CLA.
+This project welcomes contributions and suggestions, and we've documented the details of contribution policy [here](CONTRIBUTING.md).
 
-The [Code of Conduct](CODE_OF_CONDUCT.md) for this project is details how the community interacts in 
+The [Code of Conduct](CODE_OF_CONDUCT.md) for this project is details how the community interacts in
 an inclusive and respectful manner. Please keep it in mind as you engage here.