swift/doc/saio at 1b7dd34d38c26c3d26c98341499973cc87bad2e1 - swift - OpenDev: Free Software Needs Free Tools

Swap out the standard logger stuff in place of --logfile. Keep --device
as a CLI-only option. Everything else is pretty standard stuff that
ought to be in [DEFAULT].
Co-Authored-By: Alistair Coles <alistairncoles@gmail.com>
Change-Id: I32f979f068592eaac39dcc6807b3114caeaaa814