Swiss food multinational Nestle and UK-based ice cream maker R&R have formally announced that a joint venture agreement between the two companies has now been agreed. The new company, called Froneri, is expected to report sales of 2.7 billion CHF ($2.81 billion) and will employ around 15,000 people. Speculation about a deal between Nestle and R&R first emerged last October, when it was reported that the two firms were in …