From: bors <bors@rust-lang.org>
Date: Sat, 30 Sep 2017 09:40:21 +0000 (+0000)
Subject: Auto merge of #4554 - lukaslueg:contributing, r=alexcrichton
X-Git-Tag: archive/raspbian/0.35.0-2+rpi1~3^2^2^2^2^2^2^2~22^2~6^2~26
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=a888e111e4938b8c305190fd0eaebef5f4c1718f;p=cargo.git

Auto merge of #4554 - lukaslueg:contributing, r=alexcrichton

Expand contribution guidelines

Expand `contributing.md`, including inspirations from Rust's and some other projects' guides.
---

a888e111e4938b8c305190fd0eaebef5f4c1718f