Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2019-08-28

Bug fix:
* configure: more resilient Python version capture (Cleber Rosa)

Cleanup:
* BootLinuxSshTest: Only use 'test' for unittest.TestCase method
  names (Philippe Mathieu-Daudé)

# gpg: Signature made Wed 28 Aug 2019 20:22:35 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  configure: more resilient Python version capture
  BootLinuxSshTest: Only use 'test' for unittest.TestCase method names

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