Minor bugfix in fn docs

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>
Minor README bugfix for Helium

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>
Added perfer-password SSH option. Necessary for some systems.

Signed-off-by: Daniel Farrell <dfarrell@redhat.com>
Merge branch 'master' into docker