auto merge of #150 : rust-lang/cargo/source-id-cleanup, r=alexcrichton
authorbors <bors@rust-lang.org>
Wed, 9 Jul 2014 02:44:51 +0000 (02:44 +0000)
committerbors <bors@rust-lang.org>
Wed, 9 Jul 2014 02:44:51 +0000 (02:44 +0000)
This PR is a stepping stone towards eventual use of `--extern`, which will allow multiple packages with the same name to exist in the transitive dependency graph.


Trivial merge