I'd like to clarify that using the newest Arduino IDE gives a strange printing error where the X and Y layers shift diagonally. So, I would suggest using jamigas's steps above.

If anyone's having trouble with this, I used Arduino 1.6.7 (the newest version). I downloaded u8glib_arduino_v1.14.zip from https://code.google.com/archive/p/u8glib/downloads and extracted its contents to C:\Program Files (x86)\Arduino\libraries, then restarted Arduino, opened up the Marlin_M2_Qbert...