src/libvirt_sym.version src/*_internal.[ch]: added an entry
  point for reboot and corresponding driver plug
* src/virsh.c: added a reboot option using it
* docs/*: regenerated
Daniel

  src/internal.h src/libvirt_sym.version src/xen_internal.c
  src/xs_internal.c: added a new entry point to get node hardware
  informations virGetNodeInfo, and associated driver hook.
* src/xend_internal.c: implemented the node and version information
  hooks for the Xen Daemon
* python/libvir.c python/libvirt-python-api.xml python/generator.py:
  also added Python bindings for the new call
Daniel

  the Xen hypervisor direct access module. Need to convert
  xend_internal.[ch] and make one for the Xenstore now ...
Daniel

  src/xen_internal.h docs/apibuild.py: starting the refactoring,
  first the direct Xen hypervisor module. New header describing the
  entry points of a driver.
Daniel