Christmas time, mistletoe and wine. Easter time, eggs and hot cross buns. Yet in Blackpool there's much more to proceedings at this time of year than scoffing your face !    Just opened Ascent Trampoline Park on Monday 14th March.  Facts & Figs Location:  Prestige House, Cornford Road, near the M55 Size of site:  40,000 sq ft   Number of Trampolines:  Over 100   Other features include:  Ninja Assault Course, Foam Pit, Giant Air Bag, Flip Zone and Toddler area     Prices start at:    £9     Roll up, roll up For the Silver Jubilee of the Tower…