Add xen-api-client.0.9.6

Signed-off-by: David Scott <dave.scott@citrix.com>
xen-api-client.0.9.6 depends on cstruct

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #1983 from djs55/xen-api-client.0.9.6

Add xen-api-client.0.9.6