Added missing ca, el, and uk locales to the internal locale map. Added security fallback in tmpl_nice_number() to use the default locale in case a client locale is not found in this internal map.
Added missing ca, el, and uk locales to the internal locale map.
Added security fallback in tmpl_nice_number() to use the default
locale in case a client locale is not found in this internal map.

tiborsimko/invenio-records,inveniosoftware/invenio-records,tiborsimko/invenio-records,inveniosoftware/invenio-records,tiborsimko/invenio-search,inveniosoftware/invenio-search,tiborsimko/invenio-search,inveniosoftware/invenio-search