Merge misc I/O channel fixes
# gpg: Signature made Wed 23 Dec 2015 10:54:52 GMT using RSA key ID
15104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>"
* remotes/berrange/tags/pull-io-fixes-2015-12-23-1:
io: fix stack allocation when sending of file descriptors
io: fix setting of QIO_CHANNEL_FEATURE_FD_PASS on server connections
io: bind to loopback IP addrs in test suite
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>