trim_unused.sh: make CONFIRM requirement more clear, improve code.
arch_mirror_sync.sh: update sync tree destination, use rsync native protocol instead of ftp.
archive.sh: use -c to designate compressor.
lock.sh: a beautiful and simplistic screenlocker using i3lock.
wine_reset.sh: a script to recreate a wine prefix which is pointed to by symlink.
xplane: a script to run X-Plane.