Rename the misleadingly-named AmmoSchemeModel to GameSchemeModel
AmmoSchemeModel was a misleading name, this class was actually used only for game schemes.
sky = 23, 8, 33
border = 7, 72, 102
water-top = $01, $3b, $66
water-bottom = $01, $3b, $66
water-opacity = $80
music = Art.ogg
clouds = 0
object = Soup, 3, 3, 220, 130, 18, 1, 0, 0, 142, 150
object = Mona, 2, 0, 190, 191, 8, 1, 0, 0, 191, 150
object = Schrei, 1, 0, 345, 130, 1, 1, 0, 0, 160, 175
object = Zeit, 2, 0, 153, 45, 5, 1, 90, 20, 106, 105