Generic cleanup of the Xen driver code
Fixing some VMI_DEBUG warnings.
Fix building LibVMI with xen-events on old Xen libraries and add static conversion matrix for flags
Merge pull request #212 from tklengyel/xen_driver_cleanup

Generic cleanup of the Xen driver code
Merge pull request #215 from awsaba/debug_warnings

Fixing some VMI_DEBUG compiler warnings.
Merge pull request #213 from tklengyel/event_fix

Fix building LibVMI with xen-events on old Xen libraries and add static ...