How to install Visual composer module on Prestashop1.6 + Panda theme v1 or Transformer theme v3

We planed to merge override files of the Visual composer module to Panda theme’s Override default behavior module to solve the problem of they conflict with each other, because of they both need to override the CategoryController.php and ProductController.php files. But that’s not a solution for all, because of the Visual composer module may have…