[tx-robot] updated from transifex

apps/comments/l10n/el.js

apps/comments/l10n/el.json

apps/comments/l10n/is.js

apps/comments/l10n/is.json

apps/files_external/l10n/el.js

apps/files_external/l10n/el.json

apps/files_external/l10n/is.js

apps/files_external/l10n/is.json

apps/updatenotification/l10n/el.js

apps/updatenotification/l10n/el.json

apps/user_ldap/l10n/is.js

apps/user_ldap/l10n/is.json

core/l10n/nb_NO.js

core/l10n/nb_NO.json

settings/l10n/ar.js

settings/l10n/ar.json

settings/l10n/ast.js

settings/l10n/ast.json

settings/l10n/az.js

settings/l10n/az.json