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

.gitignore

@@ -1,3 +1,34 @@
 Thumbs.db
 .DS_Store
-.idea
+.idea
+
+releases
+config.local.php
+PERSONAL_NOTES
+
+# all custom templates
+templates/*
+!templates/tibiacom
+!templates/kathrine
+
+# guild images
+images/guilds/*
+!images/guilds/default.gif
+
+# cache
+system/cache/*
+!system/cache/index.html
+!system/cache/twig/index.html
+!system/cache/signatures/index.html
+
+# logs
+system/logs/*
+!system/logs/index.html
+
+# plugins
+plugins/*
+!plugins/.htaccess
+!plugins/example.json
+!plugins/account-create-hint.json
+!plugins/account-create-hint
+landing