Auto merge of #4691 - nbianca:patch-1, r=alexcrichton
authorbors <bors@rust-lang.org>
Tue, 31 Oct 2017 21:45:57 +0000 (21:45 +0000)
committerbors <bors@rust-lang.org>
Tue, 31 Oct 2017 21:45:57 +0000 (21:45 +0000)
Improved README.

Made some miscellaneous improvements.


Trivial merge