- make stubdom build optional

- pass -j N to stubdom build

- add xenalzye from http://xenbits.xensource.com/ext/xenalyze.hg

- hotplug-block-losetup-a.patch
allow hardlinked blockdevices
- fate#310510 - fix xenpaging
xenpaging.paging_prep_enomem.patch
- retry page-in if guest is temporary out-of-memory
xenpaging.print-arguments.patch
- print arguments passed to xenpaging
xenpaging.machine_to_phys_mapping.patch
- invalidate array during page deallocation
xenpaging.autostart_delay.patch
- fold xenpaging.enabled.patch into this patch
- set xenpaging_delay to 0.0 to start xenpaging right away

- blktap2 patch - fix problem that blktap2 device info not cleared
when block-attach fail.
blktap2.patch