Merge https://github.com/timkoster/MarlinBlinkM into Marlin_v1

Marlin/Configuration.h

 # endif
 #endif
 
+// define BlinkM Support
+#define BlinkM
+
 // Increase the FAN pwm frequency. Removes the PWM noise but increases heating in the FET/Arduino
 //#define FAST_PWM_FAN