[tx-robot] updated from transifex

apps/files/l10n/ja_JP.php

apps/files/l10n/lv.php

apps/files/l10n/th_TH.php

apps/user_webdavauth/l10n/th_TH.php

core/l10n/ja_JP.php

core/l10n/th_TH.php

l10n/ar/files.po

l10n/bg_BG/files.po

l10n/ca/files.po

l10n/cs_CZ/files.po

l10n/da/files.po

l10n/de/core.po

l10n/de/files.po

l10n/de/lib.po

l10n/de_DE/core.po

l10n/de_DE/files.po

l10n/de_DE/lib.po

l10n/el/files.po

l10n/eo/files.po

l10n/es/files.po