MIYOO: release version "m1"

from upstream commit: be89e13

Merge pull request NagyD#298 from dstarosta/master

Keep disappearing guard logic for super high jump consistent

Released v1.22

Updated copyright year from 2019 to 2020.

Released v1.20

Updated copyright year from 2018 to 2019.

Released v1.18.1

Finalized the release date.

Released version v1.17

Updated release project to newer Dev-C++.