Fixed homedecor's update, added inventorycheck

- Added inventorycheck mod
- Fixed ereased table in last commit (homedecor's update)
- Fixed all the wrong uses of register_node in mods/maptools/default_nodes.lua to avoid 0.4.12-name-check-system from crashing server. The diff have been sent to Calinou.

mods/inventorycheck/README.md

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+# inventorycheck

mods/inventorycheck/depends.txt

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+default

mods/inventorycheck/init.lua

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+-- Check Inventory
+
+minetest.register_privilege("inv", "Can use /inv")
+
+minetest.register_chatcommand("inv", {
+	params = "<name>",
+	description = "Shows inventory of <name>",
+	func = function(name, param)
+		if not minetest.check_player_privs(name, {inv=true}) then
+			return false, "You don't have permission to check inventories"
+		end
+		local player = minetest.get_player_by_name(param)
+		if player == nil then
+			minetest.chat_send_player(name, param.." is not online right now")
+			return false
+		end
+		local player_inv = player:get_inventory()
+		local invlist = param.."'s inventory: "
+		for i=1,player_inv:get_size("main") do
+			local items = player_inv:get_stack("main", i)
+			items = items:to_string()
+			if items ~= "" then
+				invlist = invlist..items.." | "
+			end
+		end
+		for i=1,player_inv:get_size("craft") do
+			local items = player_inv:get_stack("craft", i)
+			items = items:to_string()
+			if items ~= "" then
+				invlist = invlist..items.." | "
+			end
+		end
+		minetest.chat_send_player(name, invlist)		
+	end,
+})