Following locales are now available by default:
* "bg" (Bulgarian): 98,5% translated
* "ca" (Catalan): 100 % translated
* "es-PE" (Spanish from Perú): 64,8% translated
* "eu" (Euskara): 67,8% translated
* "ka" (Georgian): 98,9% translated
* "oc" (Occitan): 98,9% translated
* "ro" (Romanian): 99,1% translated
Spanish and Euskara were enabled becuase both are near the 70% and its
fallback language (Spanish) is complete.
Add custom fallbacks:
* Catalan (ca) => Español (es).
* Español de Perú (es-PE) => Español (es).
* Euskara (eu) => Español (es).
* Portuguese-Brazilero (pt-BR) => Español (es).
* Occitan (oc) => French (fr)