removed some irrelevant TODOs
temporarily only generate L dominos
created basic Coordinate class for new Domino implementation
created add() for other Coordinate
implemented shapes
big refactor. now dominos are only written to the grid when they hit the bottom of the pit. Grid.draw() requires a Domino parameter
reimplemented with new shape methods
commented out DominoType switch
moved coordinate calculations in to base Domino class
pieces must now spawn 1 cell down
modified dominos to fit into new refactor
Merge branch 'master' into develop
back to spawning all available dominos
added todo for buggy ZDomino
removed some old commented-out code
removed getHeight() and getWidth() methods
added shapes
switched to arrow keys rather than wasd
removed unused method
sort of enforced lose condition