ON GEN7 there is no temperature reading when power is off.. so Marlin
would kill itself. There seems to be an update from "Traumflug" on GEN7
using standby VCC for thermistors.

- redo disable Beeper if PIN is set to -1

- Added support for ATMega1284

Conflicts:
	README

added suicide pin for a power supply to the arduino that is only active if the arduino is holding high for an output.

 arduino-0023/hardware/arduino/cores/arduino/wiring.h
this is necessary if the avr libraries are recent, but arduino is old. Alternative: newer arduino

advance and ultipanel not any more in default config

This reverts commit 651cde8b.

Soft PWM. (Sanguinololu can also have PID temperature control)
Interrupt save WRITE for addresses > 0x0FF

heating up santity, formarly knows as "watchdog", but renamed due to the existance of the real watchdog, works now.

Fix M201 not saving settings in all places, so the changes did not get written into EEPROM