Add a basic questionnaire
Add the target email to the xml file
Provide a file save dialog
Factor out creating the results file
Drop rights before starting GTK

Plan is to install with setuid root bit, so we drop privs and use fd passing
More rewording

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Print the device name for confirmation
fix the analysis tool to only look at hit on press events
Record gurrent x/y position in target
Analysis tool can use x/y pos in target now
Fix overshoot calculation

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>