Main/Display: do not send ACPI events if host cursor capabilities have not changed and remember guest VBVA and host cursor capabilities in the saved state.
Devices/Graphics, Main: optionally send cursor integration toggle and guest cursor position information through the graphics device.
header (C) fixes
Main: query the guest screen info from saved state (xTracker 5820)
Main/Display: missing initialisation and saved state bits for X.Org guest multi-monitor extensions
Main: Save guest dimension in save state; add method for queering this info to IMachine.