Add xapi-rrd.0.9.1 (mostly with install/uninstall fixes)

Signed-off-by: David Scott <dave.scott@citrix.com>
xapi-rrd needs a new obuild

Signed-off-by: David Scott <dave.scott@citrix.com>
Merge pull request #2768 from djs55/xapi-rrd2

Add xapi-rrd.0.9.1 (mostly with install/uninstall fixes)