By Kati Chitrakorn, Leah Dolan, CNN London (CNN) — This season at London Fashion Week, designers made it clear that a runway is no longer the only way to go about staging a show. For every high-octane catwalk across the five-day schedule, there were a number of relaxed presentations and informal gatherings as some brands looked to save money, slow things down and connect with their community beyond the rigidity of assigned seating. In her second…