[tx-robot] updated from transifex

apps/files/l10n/ro.php

apps/user_ldap/l10n/ca.php

apps/user_ldap/l10n/cs_CZ.php

apps/user_ldap/l10n/it.php

apps/user_ldap/l10n/ja_JP.php

apps/user_ldap/l10n/nl.php

apps/user_webdavauth/l10n/it.php

apps/user_webdavauth/l10n/ja_JP.php

l10n/ar/lib.po

l10n/bg_BG/lib.po

l10n/bn_BD/lib.po

l10n/ca/lib.po

l10n/ca/user_ldap.po

l10n/cs_CZ/lib.po

l10n/cs_CZ/user_ldap.po

l10n/da/lib.po

l10n/de/lib.po

l10n/de_DE/lib.po

l10n/el/lib.po

l10n/eo/lib.po