ceph.in: Pass global args to ceph-conf for proper lookup

Fixes: #8944
Signed-off-by: Dan Mick <dan.mick@inktank.com>
qa/workunits/cephtool/test_daemon.sh: allow local ceph command
qa/workunits/cephtool/test_daemon.sh: typo

Signed-off-by: Dan Mick <dan.mick@inktank.com>
qa/workunits/cephtool/test_daemon.sh: verify ceph -c works with daemon

Signed-off-by: Dan Mick <dan.mick@inktank.com>