Added a namepsace for each type of library and updated in programming

app/Http/Controllers/StructureController.php

@@ -7,15 +7,15 @@ use Illuminate\Http\Request;
 use Auth;
 use DB;
 use Carbon\Carbon;
+
 use App\Library\Structures\StructureTaxHelper;
+use App\Library\Esi\Esi;
 
 use App\User;
 use App\Models\User\UserRole;
 use App\Models\User\UserPermission;
 use App\Models\Corporation\CorpStructure;
 
-use App\Library\Esi;
-
 class StructureController extends Controller
 {
     public function __construct() {