[tx-robot] updated from transifex

apps/files/l10n/zh_CN.php

apps/files_external/l10n/bg_BG.php

apps/files_trashbin/l10n/bg_BG.php

apps/files_versions/l10n/bg_BG.php

apps/user_ldap/l10n/tr.php

apps/user_webdavauth/l10n/bg_BG.php

core/l10n/bg_BG.php

core/l10n/zh_CN.php

l10n/af_ZA/files_external.po

l10n/ar/files_external.po

l10n/be/files_external.po

l10n/bg_BG/core.po

l10n/bg_BG/files_external.po

l10n/bg_BG/files_trashbin.po

l10n/bg_BG/files_versions.po

l10n/bg_BG/settings.po

l10n/bg_BG/user_webdavauth.po

l10n/bn_BD/files_external.po

l10n/ca/files_external.po

l10n/cs_CZ/core.po