start of bash_completion script for db 1.2
start of bash_completion script for db 1.2

supports
* epochs by scanning for ./experiments/jobs/2* + HEAD
* machines after -m/--machine in $DB/lib/machines/*.js
* command name completion by default
* does not complete options or other arguments

dlatypov/dimebox,eqdmuf/dimebox,ledif/dimebox,ledif/dimebox