Timeout is not honoured

The ruby timeout is ont honoured. Actually running the `ceph -s` command without a cluster up and running makes the command waiting for a mon.
The timeout of this command lives for a while.
Thus adding the `timeout` command reduces the time to wait.
Timeout is not honoured

The ruby timeout is ont honoured. Actually running the `ceph -s` command without a cluster up and running makes the command waiting for a mon.
The timeout of this command lives for a while.
Thus adding the `timeout` command reduces the time to wait.
blikd does not need ceph to be working

the blkid facts had been excluded if ceph was not working, but they
don't require the ceph command
facts: try to set sane timeouts
blkid: move blkid after ceph_osd_dump
Merge pull request #40 from enovance/fc/saner_timeouts

Fix problem with blkid facts & try to enforce saner timeouts