An accrual of to-do's prior to submission to https://github.com/scikit-learn-contrib.

Instructions at: https://github.com/scikit-learn-contrib/scikit-learn-contrib/blob/master/workflow.md, namely

• scikit-learn compatible (check_estimator passed)
• Available on github
• Open-source license (BSD preferred but not mandatory)
• Documentation (guide, API reference, example gallery)
• Unit tests
• Python3 compatible
• PEP8 compliant
• Continuous integration

Steps:

• File a request for inclusion into scikit-learn-contrib.
• The project undergoes a simple review by scikit-learn or scikit-learn-contrib members to check that the above requirements are satisfied.
• A team is created in the scikit-learn-contrib organization for your project.
• Transfer your project to the scikit-learn-contrib organization (transfer retains branches, stars, etc).
• Fork the project in your account (this way, the old project URL is still valid).