Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20180216' into staging

HMP pull 2018-02-16

# gpg: Signature made Fri 16 Feb 2018 17:45:06 GMT
# gpg:                using RSA key 0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>"
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-hmp-20180216:
  monitor.c: Fix infinite loop in monitor's auto-complete
  monitor: Remove legacy "-mon default=on" parameter

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