Merge pull request #301 from euanh/build-improvements

xenserver-install-wizard: Update to 0.2.27
Update ocaml-vhd to 0.6.1

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Update xapi to 1.9.38

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Update ffs to 0.9.22

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Correct changelog typo

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #302 from djs55/vdi-copy

VDI.clone, VDI.copy fixes
Update ffs to 0.9.23

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #303 from djs55/vdi-copy

Update ffs to 0.9.23
xenserver-core: Bump version to 0.10.0

Signed-off-by: Euan Harris <euan.harris@citrix.com>
xenserver-core-latest-snapshot: Point to Akamai download

Signed-off-by: Euan Harris <euan.harris@citrix.com>