Handle hashtblext interface change

Signed-off-by: John Else <john.else@citrix.com>
Don't open Monitor_types module

rrdd doesn't use it for anything.

Signed-off-by: John Else <john.else@citrix.com>
Add uuid dependency

Signed-off-by: John Else <john.else@citrix.com>
Add xenctrl dependency

Signed-off-by: John Else <john.else@citrix.com>
Handle Xenctrl interface change

Signed-off-by: John Else <john.else@citrix.com>
Add xenctrlext dependency

Signed-off-by: John Else <john.else@citrix.com>
Rename Rrdd_interface to Rrd_interface

Signed-off-by: John Else <john.else@citrix.com>
Network_monitor -> Network_stats

Signed-off-by: John Else <john.else@citrix.com>
Comment out xenstore bits for now

Signed-off-by: John Else <john.else@citrix.com>