fcrontab: change snapahots runtime 0530 => 0515
fcrontab: run wifi send|receive backups to the nuc at 0530
xmonad[bindings]: add nuc volume buttons
term: tiny refactor
term: generalize on terminal emulators
term: generalize argument parsing
term: tweak usage
term: add --echo for set -x shell opt
term: add --read to wait for a newline after running cmd