Added support for sound notification selection
Added helpers for sound notification selection
Changed call to timer setup
Added timer 50 hz synch routines
Added call to timer 50 hz synch routine
Added 50 hz synch replacement
moved the call to rtarea_setup from the startup to the hardreset section.
- added needed declaration
- added file menu option to enable/disable the multiple buffer option
- added code for handling the multiple buffer option in the GUI