"bt5/romain_dev/bt/version" did not exist on "d38055919cfdf8117bd3eb4d1a63a9530c90f707"
grid: log buildout output in realtime
Don't buffer output and use a separate thread to read subprocess process output and send it line by line to logging, instead of reading from the main thread which output lines with a delay.
fixes https://erp5js.nexedi.net/#/bug_module/20210311-90BA30