[tx-robot] updated from transifex

apps/files/l10n/ca.php

apps/files/l10n/es.php

apps/files/l10n/sk_SK.php

apps/files/l10n/zh_CN.GB2312.php

apps/files_versions/l10n/ca.php

apps/user_ldap/l10n/ru_RU.php

core/l10n/ar.php

core/l10n/bg_BG.php

core/l10n/ca.php

core/l10n/cs_CZ.php

core/l10n/da.php

core/l10n/de.php

core/l10n/el.php

core/l10n/eo.php

core/l10n/es.php

core/l10n/et_EE.php

core/l10n/eu.php

core/l10n/fa.php

core/l10n/fi_FI.php

core/l10n/fr.php