Turn down requests logging level

Looks like the default is INFO, we don't need to see that unless
--debug is specified.

Change-Id: Ieee5d4dc5102f11536ecc6330461f86101811f9e
Merge "Turn down requests logging level"
Added compute hypervisor support.

Change-Id: Ib8109550b06d152773394a1d15f6202b9f9b029c