#127 Download links on http://msys2.github.io/ are out of date

[Nick Howell]

The download links on http://msys2.github.io/ are about two months out of date.

This caused me issues when trying to work with Rust and getting it to compile on Windows since they link to the http://msys2.github.io/ website.

Would appreciate it being updated to avoid confusion and frustration of other users.

Thanks!

[Ray Donnelly]

Oops. Updated the links.