Added support for OLED SSD1306 I2C based LCDs.

Marlin/Configuration.h

@@ -702,6 +702,10 @@ const bool Z_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic
 
 // Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
 //#define LCD_I2C_VIKI
+  
+// SSD1306 OLED generic display support
+// ==> REMEMBER TO INSTALL U8glib to your ARDUINO library folder: http://code.google.com/p/u8glib/wiki/u8glib
+//#define U8GLIB_SSD1306
 
 // Shift register panels
 // ---------------------