Log Message:
Update to 2.0.6 (latest stable distribution).

Lots of changes, notably now it uses Linux-2.6.11.x, a NetBSD
bug was fixed.

pkgsrc changes:

* Honor PKG_SYSCONFDIR and SUPPORT_FILES for configuration files.
* xend.sh: no more python warning messages when the script is used
  on non NetBSD/Xen systems.