Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Coverity fixes for IPMI and mptsas
* qemu-char fixes from Daniel and Marc-André
* Bug fixes that break qemu-iotests
* Changes to fix reset from panicked state
* checkpatch false positives for designated initializers
* TLS support in the NBD servers and clients

# gpg: Signature made Tue 16 Feb 2016 16:27:17 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (28 commits)
  nbd: enable use of TLS with nbd-server-start command
  nbd: enable use of TLS with qemu-nbd server
  nbd: enable use of TLS with NBD block driver
  nbd: implement TLS support in the protocol negotiation
  nbd: use "" as a default export name if none provided
  nbd: always query export list in fixed new style protocol
  nbd: allow setting of an export name for qemu-nbd server
  nbd: make client request fixed new style if advertised
  nbd: make server compliant with fixed newstyle spec
  nbd: invert client logic for negotiating protocol version
  nbd: convert to using I/O channels for actual socket I/O
  nbd: convert blockdev NBD server to use I/O channels for connection setup
  nbd: convert qemu-nbd server to use I/O channels for connection setup
  nbd: convert block client to use I/O channels for connection setup
  qemu-nbd: add support for --object command line arg
  qom: add helpers for UserCreatable object types
  ipmi: sensor number should not exceed MAX_SENSORS
  mptsas: fix wrong formula
  mptsas: fix memory leak
  mptsas: add missing va_end
  ...

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