commits: 7357a07806d2493c7cb2765f01d54ec9a8f2c87d

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
7357a07806d2493c7cb2765f01d54ec9a8f2c87d	added contributing guide (#1872) * added contributing guide * remove .github/CONTRIBUTING.md after adding CONTRIBUTING.md to top level of repo * cleanup after review from maxim-lian * remove rebasing section * remove CONTRIBUTING.md * remove gitter * edits based on @shoyer's review * typo	2018-02-05T21:00:01Z	2018-02-05T21:00:01Z	5f199557d0f8f69fbea5e027a407146e2669a812	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727		19864447