Auto merge of #2774 - andrehjr:patch-doc-2754, r=alexcrichton
authorbors <bors@rust-lang.org>
Mon, 6 Jun 2016 13:24:15 +0000 (06:24 -0700)
committerbors <bors@rust-lang.org>
Mon, 6 Jun 2016 13:24:15 +0000 (06:24 -0700)
Document file destination of build scripts.

Close #2754


Trivial merge