Merge pull request #779 from OpenConceptLab/paynejd-contributing

Update CONTRIBUTING.md

Author: paynejd

CONTRIBUTING.md

@@ -6,6 +6,13 @@ We welcome contributions!
  - All contributions require code review. For now, our process is simple: Open a [Pull Request on GitHub](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests) and ensure pylint and all tests pass on your local setup. One of the responsible code owners will then review your contribution.
  - Our code coverage stands at ~93%, and we strive to increase it. Please make sure you [run coverage](https://github.com/OpenConceptLab/oclapi2#run-checks) before raising PR
 
+## OCL License Header
+- All code should start with the Open Concept Lab license header which can be found in the oclapi2 repository.
+
+## Attribution
+- Attribution is to be done within commit comments according to the the comment conventions.
+- Attribution (either author or contributing authors) should not be placed into source code. When encountered, such attribution should be removed by (or with permission from) the original author(s). Contributions that require attribution (i.e., author(s) demanding attribution within the code contributions) will be graciously refused or removed from the repository.
+
 ## Dev Setup
 Please follow [Dev Setup Guide](https://github.com/OpenConceptLab/oclapi2#dev-setup) and for [Running Checks](https://github.com/OpenConceptLab/oclapi2#run-checks)