Auto merge of #4360 - sid0:members, r=matklad
authorbors <bors@rust-lang.org>
Fri, 4 Aug 2017 08:21:55 +0000 (08:21 +0000)
committerbors <bors@rust-lang.org>
Fri, 4 Aug 2017 08:21:55 +0000 (08:21 +0000)
workspace: export Members as part of the public interface

This struct is returned by `Workspace::members`, but there's no way to
refer to it since it's not exported.


Trivial merge