rgw: add max-entries, marker for log operations

Signed-off-by: Babu Shanmugam <anbu@enovance.com>

Conflicts:
	src/rgw/rgw_admin.cc
	src/rgw/rgw_rest_log.cc
rgw: lock related modifications

1. zone-id inclusion in lock/unlock for mdlog and datalog
2. renewal of lock if the locker request lock again
3. modified lock_id param to locker-id

Signed-off-by: Babu Shanmugam <anbu@enovance.com>

Conflicts:
	src/rgw/rgw_rest_log.cc
fixup "radosgw-admin: new commands to look at and clean up replica logs"
Merge branch 'wip-rgw-geo-enovance' into wip-rgw-geo-2