[tx-robot] updated from transifex

apps/dav/l10n/cs.js

apps/dav/l10n/cs.json

apps/dav/l10n/de.js

apps/dav/l10n/de.json

apps/dav/l10n/de_DE.js

apps/dav/l10n/de_DE.json

apps/dav/l10n/es.js

apps/dav/l10n/es.json

apps/dav/l10n/fr.js

apps/dav/l10n/fr.json

apps/dav/l10n/is.js

apps/dav/l10n/is.json

apps/dav/l10n/it.js

apps/dav/l10n/it.json

apps/dav/l10n/nl.js

apps/dav/l10n/nl.json

apps/dav/l10n/pt_BR.js

apps/dav/l10n/pt_BR.json

apps/dav/l10n/sr.js

apps/dav/l10n/sr.json