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/templates/online.html.twig

@@ -26,6 +26,7 @@
 		</td>
 	</tr>
 </table>
+<br/>
 	{# vocation statistics #}
 	{% if config.online_vocations %}
 <br/>