Improve output of qvm-vm-update for not-to-update vms#216

techge wants to merge 3 commits into

QubesOS:mainQubesOS/qubes-core-admin-linux:mainfrom

techge:techge-2606-fix-error-msgtechge/qubes-core-admin-linux:techge-2606-fix-error-msgCopy head branch name to clipboard