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

# By Max Reitz (30) and others
# Via Kevin Wolf
* kwolf/for-anthony: (61 commits)
  qemu-iotests: Add test for inactive L2 overlap
  qemu-io: Let "open" pass options to block driver
  vmdk: Fix vmdk_parse_extents
  blockdev: blockdev_init() error conversion
  blockdev: Don't disable COR automatically with blockdev-add
  blockdev: Remove 'media' parameter from blockdev_init()
  qemu-iotests: Check autodel behaviour for device_del
  blockdev: Remove IF_* check for read-only blockdev_init
  blockdev: Move virtio-blk device creation to drive_init
  blockdev: Move bus/unit/index processing to drive_init
  blockdev: Move parsing of 'boot' option to drive_init
  blockdev: Moving parsing of geometry options to drive_init
  blockdev: Move parsing of 'if' option to drive_init
  blockdev: Move parsing of 'media' option to drive_init
  blockdev: Pass QDict to blockdev_init()
  blockdev: Separate ID generation from DriveInfo creation
  blockdev: 'blockdev-add' QMP command
  blockdev: Introduce DriveInfo.enable_auto_del
  qapi-types/visit.py: Inheritance for structs
  qapi-types/visit.py: Pass whole expr dict for structs
  ...

Message-id: 1381503951-27985-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>