Merge branch 'hotfix/1.18.6' into stable
reworked package managemnt, added homebrew support, cleaning code
improved error handing, more brew commands
reworked requirements/dependencies
reworked upgrade notes
remove old requirements code
fix opensuse requirements function name
add sudo warning for the package installation message
switch to new github download urls
1.18.7
update opensuse rubies, fix #1511
switch to new github download urls
Merge branch 'hotfix/1.18.7' into stable
Merge branch 'hotfix/1.18.7'
NEXT: 1.18.7 ready
Merge branch 'master' into features/improved_dependencies
simplify rvm-installer, fix after GH changes
1.18.8
simplify rvm-installer, fix after GH changes
Merge branch 'hotfix/1.18.8' into stable