Auto merge of #5372 - alexcrichton:bump, r=matklad
authorbors <bors@rust-lang.org>
Tue, 17 Apr 2018 20:49:43 +0000 (20:49 +0000)
committerbors <bors@rust-lang.org>
Tue, 17 Apr 2018 20:49:43 +0000 (20:49 +0000)
Bump to 0.28.0

Looks like we've forgotten to do this so far on nightly!


Trivial merge