Merge remote-tracking branch 'mdroth/tags/qga-pull-2017-04-25-v2-tag' into staging
qemu-ga patch queue
* new commands: guest-get-timezone, guest-get-users, guest-get-host-name
* fix hang on w32 when stopping qemu-ga service while fs frozen
* fix missing setting of can-offline in guest-get-vcpus
* make qemu-ga VSS w32 service on-demand rather than on-startup
* fix unecessary errors to EventLog on w32
* improvements to fsfreeze documentation
v2:
* document 'zone' field of guest-get-timezone as informational-only
(Daniel, Eric)
* fix build error for glib < 2.32 (Peter)
* mdroth/tags/qga-pull-2017-04-25-v2-tag:
qga: Add `guest-get-timezone` command
qga: Add 'guest-get-users' command
qga: improve fsfreeze documentations
qga: Add 'guest-get-host-name' command
qga-win: Fix Event Viewer errors caused by qemu-ga
qga-win: Fix a bug where qemu-ga service is stuck during stop operation
qga-win: Enable 'can-offline' field in 'guest-get-vcpus' reply
qemu-ga: Make QGA VSS provider service run only when needed
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>