Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2015-11-10' into staging

QAPI patches

# gpg: Signature made Tue 10 Nov 2015 07:12:25 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-qapi-2015-11-10:
  qapi-introspect: Document lack of sorting
  qapi: Provide nicer array names in introspection
  qapi: More tests of input arrays
  qapi: Test failure in middle of array parse
  qapi: More tests of alternate output
  qapi: Simplify error cleanup in test-qmp-*
  qapi: Simplify non-error testing in test-qmp-*
  qapi: Plug leaks in test-qmp-*
  qapi: Share test_init code in test-qmp-input*
  qobject: Protect against use-after-free in qobject_decref()
  qapi: Strengthen test of TestStructList
  qapi: Use generated TestStruct machinery in tests

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