-Updated Lava Dome with new textures and bloom effects.

-You can now turn on or off the CRT filter when starting the game.
-Updated engine to support Direct3D, early work to get Steam Overlay working.
-Updated engine to default to Smooth Mode, increasing FPS.
-Updated Title Screen to point at Load Game when a save exists, instead of defaulting to New Game.
-Reduced lag in Giant Tree mushroom rooms.