Added runtime configurable global settings with eeprom persitence

main.c

@@ -33,12 +33,12 @@
 int main(void)
 {
   beginSerial(BAUD_RATE);
+  config_init();
   st_init(); // initialize the stepper subsystem
   mc_init(); // initialize motion control subsystem
   spindle_init(); // initialize spindle controller
   gc_init(); // initialize gcode-parser
   sp_init(); // initialize the serial protocol
-//  sd_raw_init());
   
   DDRD |= (1<<3)|(1<<4)|(1<<5);