Trivial fixes (20191112)
ivshmem-server, error messages (numa, qom) and
Makefile (bios-microvm) fixes

# gpg: Signature made Tue 12 Nov 2019 10:04:03 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  ivshmem-server: Terminate also on SIGINT
  ivshmem-server: Clean up shmem on shutdown
  numa: Add missing \n to error message
  qom: Fix error message in object_class_property_add()
  Makefile: install bios-microvm like other binary blobs

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