Update to xenstore 1.2.4 (watching bug)

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #192 from djs55/fix-watching-bug

Update to xenstore 1.2.4 (watching bug)
Merge pull request #193 from euanh/build-improvements

sm: Move drivers to /usr/lib/xapi/sm
Update wizard to 0.2.20

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #194 from djs55/new-wizard

Update wizard to 0.2.20
Update xapi to 1.9.23

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #195 from djs55/new-xapi2

Update xapi to 1.9.23
Another xapi

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #196 from djs55/moremore

Another xapi
Update xapi with migration hack

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #197 from djs55/hack

Update xapi with migration hack
sm: Add spec file

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