Added the lost Konoha mode from TGM4

tetris/randomizers/bag5alt.lua

@@ -0,0 +1,24 @@
+local Randomizer = require 'tetris.randomizers.randomizer'
+
+local Bag5AltRandomizer = Randomizer:extend()
+
+function Bag5AltRandomizer:initialize()
+	self.bag = {"I", "J", "L", "O", "T"}
+	self.prev = "O"
+end
+
+function Bag5AltRandomizer:generatePiece()
+	if next(self.bag) == nil then
+		self.bag = {"I", "J", "L", "O", "T"}
+	end
+	local x = math.random(table.getn(self.bag))
+	local temp = table.remove(self.bag, x)
+	if temp == self.prev then
+		local y = math.random(table.getn(self.bag))
+		temp = table.remove(self.bag, y)
+	end
+	self.prev = temp
+	return temp
+end
+
+return Bag5AltRandomizer