[tx-robot] updated from transifex

apps/dav/l10n/hu.js

apps/dav/l10n/hu.json

apps/settings/l10n/sl.js

apps/settings/l10n/sl.json

apps/user_ldap/l10n/pl.js

apps/user_ldap/l10n/pl.json

core/l10n/cs.js

core/l10n/cs.json

lib/l10n/cs.js

lib/l10n/cs.json

lib/l10n/de_DE.js

lib/l10n/de_DE.json

lib/l10n/pl.js

lib/l10n/pl.json

lib/l10n/zh_CN.js

lib/l10n/zh_CN.json