Just a few cleanups discovered in playing with the codebase lately.
Eclipse Checkstyle has moved the repository, so update that URL
The stu-home shortcut uses Cinnamon Nemo and doesn't work with Ubuntu, so make that a mint-only task. Ubuntu shortcuts also seem to require world-exec and gio set file.desktop "metadata::trusted" yes to run
Ubuntu 21.04 packer aborts without the apt "-y" flag, which we use elsewhere and most examples seem to show. I'm not sure how this was working before, but I think noninteractive mode is meant to suppress package prompts
The Ubuntu ISO checker is running on forks, which would likely cause diverging commits on the main branch
Just a few cleanups discovered in playing with the codebase lately.
gio set file.desktop "metadata::trusted" yes
to run