Patch some changes/fixes from 0.8 branch

Fix Gesior signature double dollar $$
Add some missing <br/> to online page
Use  $config['last_kills_limit'] in lastkills.php
Fix save_ranks.php: getLastError();
Fix PHPMailer autoloader
Fix leaking sensitive informations on MySQL Connection Fail
Add nginx-sample.conf
Change myaac_monsters.loot to text
Add more files to ignore file

system/database.php

@@ -95,7 +95,7 @@ defined('MYAAC') or die('Direct access not allowed!');
 			'<ul>' .
 				'<li>MySQL is not configured propertly in <i>config.lua</i>.</li>' .
 				'<li>MySQL server is not running.</li>' .
-			'</ul>' . $error);
+			'</ul>' . $error->getMessage());
 
 	}
 	$db = POT::getInstance()->getDBHandle();