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

Python queue, 2018-10-30

* Makefile rule for running acceptance tests
  (make check-acceptance) (Cleber Rosa)
* Make iotests compatible with Python 3
  (Max Reitz)
* device-crash-test whitelist update (Thomas Huth)
* Misc cleanups (Cleber Rosa)

# gpg: Signature made Wed 31 Oct 2018 00:28:39 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <[email protected]>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  scripts/qemu.py: use a more consistent docstring style
  scripts/decodetree.py: fix reference to attributes
  Travis support for the acceptance tests
  Acceptance tests: add make rule for running them
  Bootstrap Python venv for tests
  iotests: Unify log outputs between Python 2 and 3
  iotests: Modify imports for Python 3
  iotests: 'new' module replacement in 169
  iotests: Explicitly bequeath FDs in Python
  iotests: Different iterator behavior in Python 3
  iotests: Use // for Python integer division
  iotests: Use Python byte strings where appropriate
  iotests: Flush in iotests.py's QemuIoInteractive
  iotests: Make nbd-fault-injector flush
  scripts/device-crash-test: Remove devices that are not user_creatable anymore

Signed-off-by: Peter Maydell <[email protected]>