Revert "upstart/ceph-osd: default crush weight of 0 for new devices"

This reverts commit 13f61e15a45bb5fa201a404963d21a07d852fde8.
fix upstart bash
ceph-disk-activate: use full paths

We don't get a useful PATH from udev.

Signed-off-by: Sage Weil <sage@inktank.com>
ceph-disk-prepare: catch daemon start errors

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