Auto merge of #2739 - alexcrichton:configure-colors, r=alexcrichton
authorbors <bors@rust-lang.org>
Tue, 24 May 2016 20:03:39 +0000 (13:03 -0700)
committerbors <bors@rust-lang.org>
Tue, 24 May 2016 20:03:39 +0000 (13:03 -0700)
Configure colors of both stdout/stderr

Previously color configuration only affected stdout, not stder as well.

Closes #2734


Trivial merge