Update composer command for skeleton application

Running the command as is will result in an error saying it can't find a stable branch. Adding :dev-master fixes the issue.
Merge branch 'hotfix/broken-links'

Closes #1085
Closes #1086
Closes #1087
Closes #1088
Closes #1089
Closes #1090
Closes #1091
Closes #1093
Closes #1097
Merge remote-tracking branch 'origin/pr/1112'

Close #1112
Merge remote-tracking branch 'origin/pr/1123' into hotfix/1123
[#1123] Do not use dev

- Get the stable version!
Merge branch 'hotfix/1123' into develop

Forward port #1123