Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20151015' into...

migration/next for 20151015

# gpg: Signature made Thu 15 Oct 2015 07:25:27 BST using RSA key ID 5872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"

* remotes/juanquintela/tags/migration/20151015:
  migration: fix deadlock
  migration: announce VM's new home just before VM is runnable
  Migration: Generate the completed event only when we complete

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>