Add object replicator's succeeded and failed counts in log
Add object replicator's succeeded and failed counts in log

account-replicator and container-replicator outputted the
following info in log.
info account-replicator: 17 successes, 4 failures
info container-replicator: 178 successes, 29 failures

But there is no output info for object-replicator. This info
is important to check replicator's status from log.

So this patch adds object-replicator's succeeded and failed
counts in log like account-replicator and container-replicator.

Change-Id: I7fbaf161540bdb06c0a65a1032aae83764bd970c

openstack/swift,hurricanerix/swift,tipabu/swift,aerwin3/swift,openstack/swift,smerritt/swift,tipabu/swift,psachin/swift,openstack/swift,redbo/swift,matthewoliver/swift,notmyname/swift,nadeemsyed/swift,swiftstack/swift,psachin/swift,swiftstack/swift,hurricanerix/swift,larsbutler/swift,hurricanerix/swift,smerritt/swift,tipabu/swift,openstack/swift,williamthegrey/swift,smerritt/swift,clayg/swift,redbo/swift,notmyname/swift,clayg/swift,williamthegrey/swift,prashanthpai/swift,notmyname/swift,nadeemsyed/swift,revoer/keystone-8.0.0,aerwin3/swift,clayg/swift,tipabu/swift,nadeemsyed/swift,matthewoliver/swift,clayg/swift,nadeemsyed/swift,swiftstack/swift,psachin/swift,larsbutler/swift,psachin/swift,hurricanerix/swift,notmyname/swift,smerritt/swift,matthewoliver/swift,prashanthpai/swift,matthewoliver/swift,revoer/keystone-8.0.0