setup Makefile and delay for laptops .18A (AVR-Libc 1.7.1)
modified:   AandDEE_DG.c: change delay functions due to new implementation of _delay_?s in AVR-Libc 1.7.1.
modified:   Makefile: setup default avrdude.
conflict solved (by git add LAST VERSION)
add __DELAY_BACKWARD_COMPATIBLE__ for delay (or cf. tag/AVRlibc.v1.7.1 trick).