Replace deprecated functions with newer ones

This commit replaces deprecated functions with newer ones.
However, it may not work with the 0.4-series (only tested with 5.0.1).

hud.lua

@@ -14,7 +14,7 @@ minetest.register_globalstep(function(dtime)
 
 	for _, player in pairs(minetest.get_connected_players()) do
 		local name = player:get_player_name()
-		local pos = vector.round(player:getpos())
+		local pos = vector.round(player:get_pos())
 		pos = vector.apply(pos, function(p)
 			return math.max(math.min(p, 2147483), -2147483)
 		end)

init.lua

@@ -32,7 +32,7 @@ if not minetest.registered_privileges[areas.config.self_protection_privilege] th
 	})
 end
 
-if minetest.settings:get_bool("log_mod") then
+if minetest.settings:get_bool("log_mods") then
 	local diffTime = os.clock() - areas.startTime
 	minetest.log("action", "areas loaded in "..diffTime.."s.")
 end

pos.lua

@@ -53,7 +53,7 @@ minetest.register_chatcommand("area_pos1", {
 		elseif param == "" then
 			local player = minetest.get_player_by_name(name)
 			if player then
-				pos = player:getpos()
+				pos = player:get_pos()
 			else
 				return false, "Unable to get position."
 			end
@@ -80,7 +80,7 @@ minetest.register_chatcommand("area_pos2", {
 		elseif param == "" then
 			local player = minetest.get_player_by_name(name)
 			if player then
-				pos = player:getpos()
+				pos = player:get_pos()
 			else
 				return false, "Unable to get position."
 			end