Comment out debug, fix utils and increase max pending recvs
Add writelump sock option
Add xen patch.
relative to xen-unstable:

commit 9f2f1298d021196223470fb06be79b3dbf2f53e5
Author: Andrew Cooper <andrew.cooper3@citrix.com>
Date:   Tue Apr 29 15:19:41 2014 +0200