Display Frame

Display Frame, drawn with GIMP, now integrated.
Added tool to display mask data
Implement lcd.py in 2048.py

We have to customize the size of the lcd. Apart from that it works.
Merge remote-tracking branch 'origin/master' into stoffels
Merge remote-tracking branch 'origin/master' into GraphicsGeneration
Merge remote-tracking branch 'origin/stoffels' into GraphicsGeneration