runconce/custom_scripts: add more install dir options
runconce/custom_scripts: avoid spurious failure exit status
move xdg-* tools to their own project
multibootusb: update kernel filename for newer Ubuntu 64bit images
boinc-manager: use pkexec, unify start/restart, update documentation
meld-bin: use a temp dir instead of temp files
home scripts: reorganize bash_completion, and let /etc/bash_completion source it
home scripts: they shall be sourced, not executed
add new script askubuntu-package
bash_aliases: drop sudo()