ceph: print basic options before connecting

This will let you control-c if the mon is unresponsive.

Signed-off-by: Sage Weil <sage@inktank.com>
ceph: add --connect-timeout option

Signed-off-by: Sage Weil <sage@inktank.com>
ceph: default 5 second timeout for -h

Signed-off-by: Sage Weil <sage@inktank.com>