Update to Laravel 5.7 (PHP 7.3 support) (#9800)

* Move assets to 5.7 location

* Add 5.7 SVGs

* add cache data dir

* update QUEUE_DRIVER -> QUEUE_CONNECTION

* Update trusted proxy config

* update composer.json

* 5.5 command loading

* @php and @endphp can't be inline

* Laravel 5.6 logging, Nice!

* Update blade directives

* improved redirects

* remove unneeded service providers

* Improved debugbar loading

* no need to emulate renderable exceptions anymore

* merge updated 5.7 files (WIP)

* Enable CSRF

* database_path() call causes issue in init.php

* fix old testcase name

* generic phpunit 7 fixes

* add missed file_get_contents
Keep migrations table content

* fix duplicate key

* Drop old php versions from travis-ci

* remove hhvm

* fix code climate message

* remove use of deprecated function assertInternalType

* Disable CSRF, we'll enable it separately.
All forms need to be updated to work.

* Update document references

app/Http/Controllers/Auth/VerificationController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers\Auth;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Foundation\Auth\VerifiesEmails;
+
+class VerificationController extends Controller
+{
+    /*
+    |--------------------------------------------------------------------------
+    | Email Verification Controller
+    |--------------------------------------------------------------------------
+    |
+    | This controller is responsible for handling email verification for any
+    | user that recently registered with the application. Emails may also
+    | be re-sent if the user didn't receive the original email message.
+    |
+    */
+
+    use VerifiesEmails;
+
+    /**
+     * Where to redirect users after verification.
+     *
+     * @var string
+     */
+    protected $redirectTo = '/home';
+
+    /**
+     * Create a new controller instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        $this->middleware('auth');
+        $this->middleware('signed')->only('verify');
+        $this->middleware('throttle:6,1')->only('verify', 'resend');
+    }
+}