Rust 1.15 release status

brson January 19, 2017, 7:00pm 12

Thank you @semarie! I will attempt to backport.

Topic		Replies	Views	Activity
Rust 1.15 prerelease testing	10	2280	February 1, 2017
Rust 1.18 release status	5	2664	May 28, 2017
Rust 1.15.1 release postmortem	8	2340	February 15, 2017
Rust 1.17 release status	0	2500	April 1, 2017
Rust 1.6 regression watch	1	2142	January 7, 2016