Merge branch 'hotfix/1.22.15'
Detect custom Maven setup on Debian-based systems
Merge pull request #2243 from gildegoma/allow-custom-maven-setup

Detect custom Maven setup on Debian-based systems
make sure certificates are up to date for binary ruby, fix #2244
clean/improve maven and ant requirements, update #2243
fix system name to actually be just one underscore
1.22.16
Merge branch 'master' into hotfix/1.22.16
Merge branch 'hotfix/1.22.16' into stable