Summer seems such a long way off at the moment, as we head towards a Merry Easter where Santa himself could be delivering the Eggs. Yes, the weather is that bad. That said, we are almost into April and the excitement about Summer festival season is already building.  Bon Jovi have been announced as playing on the Oak Stage at the bst hyde park this summer, whilst there is lots of excitement about the headliners at this years Glastonbury, with rumours about everyone from The Rolling Stones to Prince appearing at this years event. And, in sunnier circumstances, next weekend sees Coachella, the festival where sundresses and celebs are the…