- big xen update from http://xenbits.xensource.com/linux-2.6-xen.hg
    - patches.xen/xen3-auto-xen-arch.diff: xen: architecture bits.
    - patches.xen/xen3-auto-xen-drivers.diff: xen: driver bits.
    - patches.xen/xen3-auto-common.diff: xen: common code changes.
    - patches.xen/xen3-auto-arch-i386.diff: xen: i386 arch changes.
    - patches.xen/xen3-auto-arch-um.diff: xen: um arch changes.
    - patches.xen/xen3-auto-arch-x86_64.diff: xen: x86_64 arch
      changes.
    - dropped lots of old xen patches.
    - Update config files.
    - Adapted scripts, "ARCH=xen" is not needed any more on the make
      command line,