qitools.command: small function to run scripts in background
qitools.command: small function to run scripts in background

Used by automatic, high level tests.
Feel free to remove if you think it's not ok for this to be here.

aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild