Due to how multiple nodepool-launchers work today, it is possible to
have greater then min-ready of a label. To avoid this, nl01.o.o will
now be the only launcher to send min-ready requests to zookeeper.
Ideally, nodepool will be updated to support shared configuration in
the future.
Change-Id: I1cf0253343a80146f538ca5e4c83bde5c0173be3
Signed-off-by: Paul Belanger <pabelanger@redhat.com>