Use the logging package to properly log in the lp to gerrit user sync
script.
Change-Id: I329ea96a5257f7ea140406127b27621dd0253c09
Reviewed-on: https://review.openstack.org/11663
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins