[Workaround] Increase SSH timeout for Ansible to 30 sec
[Workaround] Increase SSH timeout for Ansible to 30 sec

See RHOSINFRA-362 for details.

Some machines has MTU related problems with connection between.
If this occurs between Jenkins slave and destinations machine,
timeout of SSH comands can be seriously higher than 10 seconds,
cutting off the connection marking related hosts UNREACHABLE.

Currently happens for pumaXY.scl.lab.tlv.redhat.com nodes.

Change-Id: Ibc9c5766bde38c57c648d408ce56790fff6e6b98

okolisny/InfraRed,okolisny/InfraRed,redhat-openstack/infrared,okolisny/InfraRed,redhat-openstack/infrared,redhat-openstack/infrared