Load translation strings from mfe settings

[sandroscosta]

• Add the ability to load translation strings from the mfe plugin on tutor

https://github.com/fccn/nau-technical/issues/271

Default settings should now be set as the following example:

MFE_CONFIG["FOOTER_SOCIAL_LINKS"] = '[{"platform": "facebook", "title": {"en": "Follow us on facebook", "pt": "Siga-nos no Facebook"}, "url": "https://www.facebook.com/plataformanau/"},{"platform": "linkedin", "title": {"en": "Follow us on LinkedIn", "pt": "Siga-nos no LinkedIn"}, "url": "https://www.linkedin.com/company/plataformanau/"},{"platform": "newsletter", "title": {"en": "Subscribe our newsletter", "pt": "Subscreva a nossa lista de email (newsletter)"}, "url": "https://www.nau.edu.pt/newsletter"}]'
MFE_CONFIG["FOOTER_NAV_LINKS"] = '[{"title": {"en": "NAU - Sempre a Aprender", "pt": "NAU - Sempre a Aprender"},"menus": [{"title": {"en": "About","pt": "Sobre"},"url": {"en": "https://www.nau.edu.pt/en/about/","pt": "https://www.nau.edu.pt/pt/sobre/"}},{"title": {"en": "Courses", "pt": "Cursos"},"url": {"en": "https://www.nau.edu.pt/en/courses/","pt": "https://www.nau.edu.pt/pt/cursos/"}},{"title": {"en": "How to become a partner", "pt": "Como se tornar parceiro"},"url": {"en": "https://www.nau.edu.pt/en/partners/how-to-become-a-partner/","pt": "https://www.nau.edu.pt/pt/parceiros/como-se-tornar-parceiro/"}}]},{"title": {"en": "Communication", "pt": "Comunicação"},"menus": [{"title": {"en": "Help", "pt": "Ajuda"},"url": "https://ajuda.nau.edu.pt/"},{"title": {"en": "News", "pt": "Notícias"},"url": {"en": "https://www.nau.edu.pt/en/news/","pt": "https://www.nau.edu.pt/pt/noticias/"}},{"title": {"en": "Media kit", "pt": "Media kit"},"url": {"en": "https://www.nau.edu.pt/en/media-kit/","pt": "https://www.nau.edu.pt/pt/material-de-divulgacao/"}}]},{"title": {"en": "Legal", "pt": "Legal"},"menus": [{"title": {"en": "Terms and conditions", "pt": "Termos e condições"},"url": {"en": "https://www.nau.edu.pt/en/terms-and-conditions/","pt": "https://www.nau.edu.pt/pt/legal/termos-e-condicoes/"}},{"title": {"en": "Privacy policy", "pt": "Política de privacidade"},"url": {"en": "https://www.nau.edu.pt/en/privacy-policy/","pt": "https://www.nau.edu.pt/pt/legal/politica-de-privacidade/"}},{"title": {"en": "Cookie policy","pt": "Política de cookies"},"url": {"en": "https://www.nau.edu.pt/en/legal/cookies-policy/","pt": "https://www.nau.edu.pt/pt/legal/cookies/"}},{"title": {"en": "Certification policy", "pt": "Política de certificação"},"url": {"en": "https://www.nau.edu.pt/en/legal/politica-de-certificacao/","pt": "https://www.nau.edu.pt/pt/legal/politica-de-certificacao/"}},{"title": {"en": "Code of Honor","pt": "Código de honra"},"url": {"en": "https://www.nau.edu.pt/en/legal/codigo-de-honra/","pt": "https://www.nau.edu.pt/pt/legal/codigo-de-honra/"}}]}]'