Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2015-11-17' into staging
QAPI patches
# gpg: Signature made Tue 17 Nov 2015 08:28:24 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-2015-11-17:
input: Document why x-input-send-event is still experimental
qapi: Document introspection stability considerations
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>