Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-12-17' into staging

* Removal of the deprecated bluetooth code
* Some qtest and misc patches

# gpg: Signature made Tue 17 Dec 2019 08:09:08 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2019-12-17:
  tests: use g_test_rand_int
  tests/Makefile: Fix check-report.* targets shown in check-help
  glib: use portable g_setenv()
  hw/misc/ivshmem: Bury dead legacy INTx code
  pseries: disable migration-test if /dev/kvm cannot be used
  tests: fix modules-test 'duplicate test case' error
  Remove libbluetooth / bluez from the CI tests
  Remove the core bluetooth code
  hw/usb: Remove the USB bluetooth dongle device
  hw/arm/nseries: Replace the bluetooth chardev with a "null" chardev

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