Merge branch 'master' into filesystem

apps/files/l10n/cs_CZ.php

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/eo.php

apps/files/l10n/es.php

apps/files/l10n/es_AR.php

apps/files/l10n/fi_FI.php

apps/files/l10n/it.php

apps/files/l10n/nl.php

apps/user_ldap/l10n/eo.php

apps/user_ldap/l10n/zh_TW.php

apps/user_webdavauth/l10n/eo.php

apps/user_webdavauth/l10n/es.php

core/css/styles.css

l10n/cs_CZ/files.po

l10n/de/files.po

l10n/de/lib.po

l10n/de_DE/files.po

l10n/eo/files.po

l10n/eo/settings.po