Changed range sensor to read on-demand
Fixed pins to work with 128rfa1 instead of 2560
Fixed compiler errors in scout_avr
Added second range sensor to scout_avr
Not yet tested.
Added and tested range sensor to scout_avr
Max output should be 37500 (max observed value actually ~38600), and itmay be scaled down later. Also, the second sonar will need to be addedlater... forgot about that...
Also, added an option to avrdude in the Makefile which makes it upload...