fab: set use_ssh_config = True
fab: set use_ssh_config = True

<valhallasw`cloud> face, meet palm. Palm, meet face.

Change-Id: I6733f6e2f1d80e82d85d5d5d8ffce247b32df4a6

wikimedia/labs-tools-wikibugs2,wikimedia/labs-tools-wikibugs2