* updated polish locale (translation) on install

* fixed hidding shop system menu on tibiacom template when disabled in
config
* some changes to sample characters: chanced town_id to 1, posx: 1000,
posy: 1000, posz: 1000 and default group_id to 1 so you can change
in-game outfits and they will be used
* fixed account.login redirect not working on tibiacom template
* installation: warn about wrong admin account name/id and password
* (internal) removed some duplicated code on install finish
* (internal) renamed installation step files to be in correct order
* added TODO file
* bumped version to 0.7.3

install/steps/2-license.php

@@ -0,0 +1,8 @@
+<?php
+defined('MYAAC') or die('Direct access not allowed!');
+
+echo $twig->render('install.license.html.twig', array(
+	'license' => file_get_contents(BASE . 'LICENSE'),
+	'buttons' => next_buttons()
+));
+?>