Import sm-cli from xen-api 93303b3ef3e08b8444fdb6c0d23313d8806d59f6

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Add an obuild file

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Add explicit install, uninstall scripts

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