Inital upgrade to 5.5

This simply updates dependencies and gets all of the providers and config files updated based on what  the laravel/laravel currently ships with

app/Http/Middleware/TrustProxies.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Pterodactyl\Http\Middleware;
+
+use Illuminate\Http\Request;
+use Fideloper\Proxy\TrustProxies as Middleware;
+
+class TrustProxies extends Middleware
+{
+    /**
+     * The trusted proxies for this application.
+     *
+     * @var array
+     */
+    protected $proxies;
+
+    /**
+     * The current proxy header mappings.
+     *
+     * @var array
+     */
+    protected $headers = [
+        Request::HEADER_FORWARDED => 'FORWARDED',
+        Request::HEADER_X_FORWARDED_FOR => 'X_FORWARDED_FOR',
+        Request::HEADER_X_FORWARDED_HOST => 'X_FORWARDED_HOST',
+        Request::HEADER_X_FORWARDED_PORT => 'X_FORWARDED_PORT',
+        Request::HEADER_X_FORWARDED_PROTO => 'X_FORWARDED_PROTO',
+    ];
+}