Update to xcp-idl 0.9.15

Signed-off-by: David Scott <dave.scott@citrix.com>
Add ocaml-{ctypes,opasswd}, dependencies of modern xapi

Signed-off-by: David Scott <dave.scott@citrix.com>
Update to ocaml-opasswd.0.9.3

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #398 from djs55/ctypes

Add ocaml-{ctypes,opasswd}, dependencies of modern xapi
Merge pull request #401 from djs55/xcp-idl.0.9.15

Update to xcp-idl 0.9.15
Resync with xen-api-libs-specs

In particular we're now using ocaml-gnt for grant tables, we have
updated xcp-idl to include SR.probe and we have explicitly disabled
xenlight.

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #403 from djs55/refresh-everything

Resync with xen-api-libs-specs