Apply fixes from StyleCI

Author: tabacitu

src/app/Models/MenuItem.php

@@ -2,8 +2,8 @@
 
 namespace Backpack\MenuCRUD\app\Models;
 
-use Illuminate\Database\Eloquent\Model;
 use Backpack\CRUD\app\Models\Traits\CrudTrait;
+use Illuminate\Database\Eloquent\Model;
 
 class MenuItem extends Model
 {

src/database/migrations/2016_05_05_115641_create_menu_items_table.php

@@ -1,7 +1,7 @@
 <?php
 
-use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
 
 class CreateMenuItemsTable extends Migration
 {