[tx-robot] updated from transifex

core/l10n/eo.php

l10n/ar/settings.po

l10n/ar/user_webdavauth.po

l10n/bg_BG/settings.po

l10n/bg_BG/user_webdavauth.po

l10n/ca/settings.po

l10n/ca/user_webdavauth.po

l10n/cs_CZ/settings.po

l10n/cs_CZ/user_webdavauth.po

l10n/da/settings.po

l10n/da/user_webdavauth.po

l10n/de/settings.po

l10n/de/user_webdavauth.po

l10n/de_DE/settings.po

l10n/de_DE/user_webdavauth.po

l10n/el/settings.po

l10n/el/user_webdavauth.po

l10n/eo/core.po

l10n/eo/settings.po

l10n/eo/user_webdavauth.po