Allow more than two teams in a match at once (#724)

* Fix bugs with more than two teams

* Fix team allocation

* Fix bugz

* Fix crash

* Fix crash with crash fix

mods/ctf/ctf_otherteams/init.lua

@@ -0,0 +1,23 @@
+minetest.register_on_respawnplayer(function(player)
+	local name = player:get_player_name()
+
+	if not ctf.get_spawn(ctf.player(name).team) then
+		local pos
+
+		if math.random(1, 2) == 1 then
+			local team = ctf.team("red")
+			if team and team.flags[1] then
+				pos = vector.new(team.flags[1])
+			end
+		else
+			local team = ctf.team("blue")
+			if team and team.flags[1] then
+				pos = vector.new(team.flags[1])
+			end
+		end
+
+		if pos then
+			player:set_pos(pos)
+		end
+	end
+end)

mods/ctf/ctf_otherteams/mod.conf

@@ -0,0 +1,2 @@
+name = ctf_otherteams
+depends = ctf