Testing New Graphics

Trying out a new graphical style. Added tiles for filling in diagonal
paths. Changed direction algorithm so that we can safely add new tiles
without messing up the direction  map.
Revert "Testing New Graphics"

This reverts commit eabafe58cd5b9a0c67c96d1bb069e7972a92cd5e.
More Graphics
wat
Revert "wat"

This reverts commit 7649b921a33b84860f3c44a8484222b719130b36.
Merge remote-tracking branch 'origin/Trevor's'