Juris Translator

(This is based on a previous pull request)
Translator fetches journal articles and cases (new) from Juris

`ZU.xpath(doc, "//*[text()='Beitragstyp:' or text()='Autor:']").length` if there's no better way to do this, can we at least specify the node type (e.g. a div)?

btw, `.='something'` was technically right, I just think this is clearer.