configurator.py: extract reconfiguration of x is done to verb level.

Change-Id: I2eb2e1e889539571bd20cfb09ab1499333a47fd4
Signed-off-by: Mooli Tayer <mtayer@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/27841
Reviewed-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>