Pull in upstream laravel changes

.laravel-commit

@@ -1 +1 @@
-49a48100a79c13da3de27e91b0a77742e7cb2227
+f4606d2bb94dc9579488df61fa3744b17e91be62

config/app.php

@@ -206,6 +206,7 @@ return [
         'Artisan' => Illuminate\Support\Facades\Artisan::class,
         'Auth' => Illuminate\Support\Facades\Auth::class,
         'Blade' => Illuminate\Support\Facades\Blade::class,
+        'Bus' => Illuminate\Support\Facades\Bus::class,
         'Cache' => Illuminate\Support\Facades\Cache::class,
         'Config' => Illuminate\Support\Facades\Config::class,
         'Cookie' => Illuminate\Support\Facades\Cookie::class,

database/factories/ModelFactory.php

@@ -16,7 +16,7 @@ $factory->define(App\User::class, function (Faker\Generator $faker) {
 
     return [
         'name' => $faker->name,
-        'email' => $faker->safeEmail,
+        'email' => $faker->unique()->safeEmail,
         'password' => $password ?: $password = bcrypt('secret'),
         'remember_token' => str_random(10),
     ];