Merge branch 'master' into fixing-4866-master

apps/files_encryption/l10n/uk.php

apps/user_webdavauth/l10n/uk.php

core/l10n/ca.php

core/l10n/cs_CZ.php

core/l10n/da.php

core/l10n/de.php

core/l10n/de_CH.php

core/l10n/de_DE.php

core/l10n/el.php

core/l10n/en_GB.php

core/l10n/es.php

core/l10n/es_AR.php

core/l10n/et_EE.php

core/l10n/eu.php

core/l10n/fa.php

core/l10n/fr.php

core/l10n/gl.php

core/l10n/he.php

core/l10n/hu_HU.php

core/l10n/it.php