set reconfigureOnForce attribute to ModuleConfigurer

When reconfigureOnForce set to True and --force flag set the configure
verb will overwrite the configuration even if already set.
For libvirt we do that to keep old semantic of --force flag.

Change-Id: I2d3984e3cd6b866dcee6e6dc493ba78a34ff56d6
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1035847
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/22492
Reviewed-by: Alon Bar-Lev <alonbl@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>