Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-2.0' into staging

Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-2.0' into staging

QOM/QTest infrastructure fixes

* Revised QTest SIGABRT fix
* Test cleanups for non-POSIX hosts
* QTest test cases for NVMe, virtio-9p, pvpanic, i82801b11
* QTest API addition for reading events
* TMP105 fix and regression test

# gpg: Signature made Mon 31 Mar 2014 22:08:10 BST using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/qom-devices-for-2.0:
  tmp105-test: Test QOM property and precision
  tmp105-test: Add a second sensor and test that one
  tmp105-test: Wrap simple building blocks for testing
  tmp105: Read temperature in milli-celsius
  tests: Add i82801b11 qtest
  pvpanic-test: Assert pause event
  qtest: Factor out qtest_qmp_receive()
  tests: Add pvpanic qtest
  tests: Add virtio-9p qtest
  tests: Add nvme qtest
  nvme: Permit zero-length block devices
  tests: Correctly skip qtest on non-POSIX hosts
  tests: Skip POSIX-only tests on Windows
  tests: Remove unsupported tests for MinGW
  qtest: Keep list of qtest instances for SIGABRT handler
  Revert "qtest: Fix crash if SIGABRT during qtest_init()"

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