* moved some more pages to twig

* moved online, movies, google_analytics code, faq, experience_table, downloads to twig
* added new global variabl to twig (status)
* removed some unused page (custom.php)
* automatically append trailing slash at config.item_images_url
* moved downloads from clients.halfaway.net to tibia-clients.com
* show some more info on monster loot (currently only on TFS 0.3 and those that use item.id in monster files instead of item name)
* some more unimportant fixes

system/templates/movies.html.twig

@@ -0,0 +1,7 @@
+<div style="text-align: center;">
+	{% for movie in movies %}
+	<h2>{{ movie.title }}</h2>
+	Author: {{ movie.author }}<br/>
+	<iframe width="560" height="315" src="https://www.youtube.com/embed/{{ movie.youtube_id }}" frameborder="0" allowfullscreen></iframe><br/><br/>
+	{% endfor %}
+</div>