twitter/commons — pull request #236 by jsirois (2014-03-04 18:29:32+00:00)
Title: Beef up the cotributor's howto a bit.

Add a section on vetting a change before diving in.

Add an addendum to the review posting section that outlines
how to preview CI results with the ci script.

https://rbcommons.com/s/twitter/r/51/