RTL Group, Europe’s largest television conglomerate, is going full in on streaming. First half figures at RTL, released Tuesday, showed sharp growth in revenues — up 27.2 percent to was up 27.2 per cent to $345 million (€299 million) — in the company’s streaming platforms, including RTL+ in Germany and M6+ in France. The boost made up for declines in RTL’s traditional TV business, where TV advertising revenue fell 4 percent and its production operations, at subsidiary Fremantle, were down 7.7 percent year on year at $964 million (€835 million). (RTL said business at Fremantle would pick up by year end with the roll out of new…