dbus-name: only look up PID when needed
dbus-name: factor out get_conn_pid
dbus-name: show the process command name
reconfigure: check more files
cap: fix a make_path() that was a noop
cap: make_path() needs an absolute path

Good thing it never worked in the past, or I'd have a lot of empty
"Screenshots" directories everywhere.
cap: bring back the fallback implementation using `scrot`
cap: use _die() and _debug()
Lib.pm: add _notice()
Lib.pm: whitespace
cap: warn about -t and -N used together