Auto merge of #3398 - alexcrichton:git-rev, r=alexcrichton
authorbors <bors@rust-lang.org>
Wed, 14 Dec 2016 05:56:37 +0000 (05:56 +0000)
committerbors <bors@rust-lang.org>
Wed, 14 Dec 2016 05:56:37 +0000 (05:56 +0000)
Fix git rev showing up in version number

Makefiles didn't support an out-of-tree build, so needed to update them to do
so.


Trivial merge