Inventory compat cleanup

fix inventory_plus after cleanup. Create own register_on_player_receive_fields for this inventory

removed smart_inventory (moved to the inventoy mod), adjusted sfinv

moved sfinv to own mod 3d_armor_sfinv

moved unified_inventory to 3d_armor_ui

moved inventory_plus support to own mod 3d_armor_ip

3d_armor_ip/LICENSE.txt

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+[mod] 3d Armor integration to inventory plus [3d_armor_ip]
+==========================================================
+
+License Source Code: (C) 2012-2017 Stuart Jones - LGPL v2.1
+

3d_armor_ip/depends.txt

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+3d_armor
+inventory_plus?

3d_armor_ip/description.txt

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+Adds 3d_armor page to the inventory plus

3d_armor_ip/init.lua

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+if not minetest.global_exists("inventory_plus") then
+	minetest.log("warning", "3d_armor_ip: Mod loaded but unused.")
+	return
+end
+
+armor.formspec = "size[8,8.5]button[6,0;2,0.5;main;Back]"..armor.formspec
+armor:register_on_update(function(player)
+	local name = player:get_player_name()
+	local formspec = armor:get_armor_formspec(name, true)
+	local page = player:get_inventory_formspec()
+	if page:find("detached:"..name.."_armor") then
+		inventory_plus.set_inventory_formspec(player, formspec)
+	end
+end)
+
+if minetest.get_modpath("crafting") then
+	inventory_plus.get_formspec = function(player, page)
+	end
+end
+
+minetest.register_on_joinplayer(function(player)
+	inventory_plus.register_button(player,"armor", "Armor")
+end)
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if fields.armor then
+		local name = armor:get_valid_player(player, "[on_player_receive_fields]")
+		if not name then
+			return
+		end
+		local formspec = armor:get_armor_formspec(name, true)
+		inventory_plus.set_inventory_formspec(player, formspec)
+	end
+end)