QOM infrastructure fixes and device conversions
* Cleanups for recursive device unrealization
# gpg: Signature made Thu 04 Sep 2014 18:17:35 BST using RSA key ID
3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg: aka "Andreas Färber <afaerber@suse.com>"
* remotes/afaerber/tags/qom-devices-for-peter:
qdev: Add cleanup logic in device_set_realized() to avoid resource leak
qdev: Use NULL instead of local_err for qbus_child unrealize
qdev: Use error_abort instead of using local_err
memory: Remove object_property_add_child_array()
qom: Add automatic arrayification to object_property_add()
machine: Clean up -machine handling
qom: Make object_child_foreach() safe for objects removal
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>