Disable ssh timeout for VMs

[mark-dce]

The ansible-hydra system_setup role added a ssh connection timeout recently which defaults to disconnecting after 10 minutes of inactivity. This is less useful in a VM environment than in production environment.

ACCEPTANCE

• Disable the ssh inactivity timeout

NOTES
See https://github.com/curationexperts/ansible-hydra/blob/master/roles/system_setup/templates/ssh_config#L64
set variable ssh_timeout: 0