Update to latest xapi.

Requires ocaml-rrd-transport and ocaml-rrdd-plugin updates too.

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>
Update cstruct to 1.4.0

Signed-off-by: David Scott <dave.scott@citrix.com>
ocaml-cstruct: fix RPM build

Signed-off-by: David Scott <dave.scott@citrix.com>
ocaml-cohttp: fix RPM build

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #564 from djs55/upgrade-cstruct

Update cstruct to 1.4.0
Update the config file with the necessary parameters

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>
Merge pull request #565 from jonludlam/new-xapi

Update to latest xapi.
Previous xapi.conf only worked on ubuntu. This one works on CentOS too

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>
Merge pull request #566 from jonludlam/fixup-xapi-conf

Previous xapi.conf only worked on ubuntu. This one works on CentOS too