Refactoring presentationMooc twig
Merge branch 'develop' of https://github.com/Solerni-R1-1/CoreBundle into develop

* 'develop' of https://github.com/Solerni-R1-1/CoreBundle:
  hide coust input if gratis
New migrations and change certification_type to array. CSS modification for mooc presentation and owner catalog
Merge Conflict from other commit