Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2017-07-17-v2-tag' into...

qemu-ga patch queue

* new command: qemu-get-osinfo
* build fix for OpenBSD
* better error-reporting for failure on keyfile dump
* remove redundant initialization of qa_state global
* include libpcre in w32 package
* w32 localization fixes for service installation/registration

v2:
* fix build issue with older GCCs introduced with guest_get_osinfo
* relocated some declarations in guest_get_osinfo

# gpg: Signature made Tue 18 Jul 2017 11:52:45 BST
# gpg:                using RSA key 0x3353C9CEF108B584
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>"
# gpg:                 aka "Michael Roth <mdroth@utexas.edu>"
# gpg:                 aka "Michael Roth <mdroth@linux.vnet.ibm.com>"
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D  3FA0 3353 C9CE F108 B584

* remotes/mdroth/tags/qga-pull-2017-07-17-v2-tag:
  test-qga: add test for guest-get-osinfo
  test-qga: pass environemnt to qemu-ga
  qemu-ga: add guest-get-osinfo command
  qga: report error on keyfile dump error
  qga-win32: remove a redundancy code
  qemu-ga: check if utmpx.h is available on the system
  qemu-ga: add missing libpcre to MSI build
  qga-win: fix installation on localized windows

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