ceph: --version as well as -v

Signed-off-by: Sage Weil <sage@inktank.com>
ceph.in: fix ^C handling in watch (trap exception in while, too)

Signed-off-by: Dan Mick <dan.mick@inktank.com>
ceph.in: remove some TAB chars

Signed-off-by: Dan Mick <dan.mick@inktank.com>
librados: make cmd test tolerate NXIO for osd commands

The cluster may be thrashing underneath us; tolerate NXIO in case the OSD
is currently down.

Signed-off-by: Sage Weil <sage@inktank.com>
ceph: do not busy-loop on ceph -w

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>
ceph: even shinier

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>
ceph.in: rip out reusable code to pybind/ceph_argparse.py

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

Conflicts:
	src/ceph.in
Add header comments and Inktank copyrights to ceph.in/ceph_argparse.py

Signed-off-by: Dan Mick <dan.mick@inktank.com>
Merge branch 'next'

Conflicts:
	src/ceph.in