mod/x11: start X11rdp as user
mod/x11: also monitor X11rdp process
mod/x11: automatically choose x11 display

Detection is currently done based on /tmp/.X${DISPLAYID}-lock.
First free display is used.
rds: fixed mem leak in connector
Renamed suppress_output field to be the real meaning

The field has been renamed to activeOutput as it is the
meaning of the flag.
Merge pull request #6 from hardening/suppress_output

Renamed suppressOutput field to be the real meaning
Fixed initResolutions in modules