Rust release milestone predictions

brson May 22, 2017, 11:33pm 49

I did a thorough update of the predictions, bumped lots of stuff, added lots of stuff.

Topic		Replies	Views
Rust 1.16 release status	6	3061	March 25, 2019
Beta 1.31 Code Freeze announcements	5	1944	March 25, 2019
Rust 2018: the home stretch	11	11847	March 25, 2019
Rust 1.15 release status	12	3185	March 25, 2019
Concerned about Rust 2018 stability	17	4550	March 25, 2019