Separated player types and added a preliminary AI.
created Facet.java
renamed the class(es)
fixed the face size
Revert "renamed the class(es)"

This reverts commit cce8476040e2e32bfdcb3d5c6bb135110d87ca19.
renamed Face.java and fixed it's size
Merge branch 'gamemodel' into gamelogic
added getFace()-function. I'm a horrible person.
now comforms with the current version of Face
removed debugging feature
Improved score cells.

Score information is retrieved directly from DiceModel by the cells.
This should make things simpler.
Fixed infinite loop bug.
DiceModel now has valid values only after the first roll of the turn.
Use native look and feel.
Merge branch 'dicemodel' into mainwindow

Conflicts:
	src/DiceView.java
Added an icon.
Less repetition in DiceView.
Exit when the main window is closed.
Only try marking in CellController if a value is available.