First cleanup. Moved all code to cpp files, so there are no dependencies on pde files. And no more odd requirement to cat files together. (Still need to fix the Makefile). Also cleaned up some defines and made defines upper case as by C coding conventions.

Marlin/EEPROMwrite.h

@@ -6,14 +6,6 @@
 #include "temperature.h"
 //#include <EEPROM.h>
 
-int plaPreheatHotendTemp;
-int plaPreheatHPBTemp;
-int plaPreheatFanSpeed;
-
-int absPreheatHotendTemp;
-int absPreheatHPBTemp;
-int absPreheatFanSpeed;
-
 template <class T> int EEPROM_writeAnything(int &ee, const T& value)
 {
   const byte* p = (const byte*)(const void*)&value;