[tx-robot] updated from transifex

apps/files/l10n/el.php

apps/files/l10n/fa.php

apps/files_external/l10n/zh_CN.php

apps/files_trashbin/l10n/fa.php

apps/user_ldap/l10n/fa.php

apps/user_ldap/l10n/zh_CN.php

core/l10n/lv.php

l10n/ar/files.po

l10n/bg_BG/files.po

l10n/bn_BD/files.po

l10n/ca/files.po

l10n/cs_CZ/files.po

l10n/da/files.po

l10n/de/files.po

l10n/de_DE/files.po

l10n/el/files.po

l10n/eo/files.po

l10n/es/files.po

l10n/es_AR/files.po

l10n/et_EE/files.po