Merge commit 'v0.14.1' into stable-0.14
* commit 'v0.14.1':
Version 0.14.1
virtio-blk: fail unaligned requests
qed: Fix consistency check on 32-bit hosts
exit if -drive specified is invalid instead of ignoring the "wrong" -drive
vhost: fix dirty page handling
Do not delete BlockDriverState when deleting the drive
vnc: tight: Fix crash after 2GB of output
lan9118: Ignore write to MAC_VLAN1 register
Don't allow multiwrites against a block device without underlying medium
Signed-off-by: Avi Kivity <avi@redhat.com>
