Merge remote-tracking branch 'kwolf/for-anthony' into staging

Merge remote-tracking branch 'kwolf/for-anthony' into staging

# By Fam Zheng (8) and others
# Via Kevin Wolf
* kwolf/for-anthony:
  vmdk: rename num_gtes_per_gte to num_gtes_per_gt
  vmdk: use heap allocation for whole_grain
  vmdk: check l1 size before opening image
  vmdk: check l2 table size when opening
  vmdk: check granularity field in opening
  qemu-iotests: add empty test case for vmdk
  qemu-iotests: add poke_file utility function
  vmdk: use unsigned values for on disk header fields
  vmdk: Make VMDK3Header and VmdkGrainMarker QEMU_PACKED
  sheepdog: add missing .bdrv_has_zero_init
  qemu-iotests: filter QEMU version in monitor banner
  iov: handle EOF in iov_send_recv
  ignore SIGPIPE in qemu-img and qemu-io
  qemu-img: Error out for excess arguments

Message-id: 1375799990[email protected]
Signed-off-by: Anthony Liguori <[email protected]>