Italy’s Mediaset is feeling liberated following the recent peace treaty with long-term adversary stroke shareholder Vivendi. To celebrate Vivendi’s support of the relocation of Mediaset’s headquarters to the Netherlands as well as securing live rights to show UEFA Champions League soccer matches, Mediaset has relaunched its vintage Infinity streaming service after merging it with the catch-up portal Mediaset Play. The festivities could yet go further, as a merger with ProSiebenSat.1 – in which Mediaset currently holds a 12.4% stake – has not been ruled out by the German public broadcaster’s CEO. ProSiebenSat.1 could spearhead Mediaset’s long-term vision for a pan-European media group which it plans to call MediaForEurope, potentially as the vehicle from where Mediaset will churn out original programming…