Gillingham begin a new promotion challenge on Saturday and the manager can’t wait to take charge at Priestfield properly for the first time. Mark Bonner is the man chosen to lead Gills’ assault on League 2 this season and they start with a home match against Carlisle United. “I am excited to see Priestfield properly,” said the Gills boss. “I am excited about all of the things that brings, to see the players at their maximum in that scenario, it is why we do it. “I can’t wait to get going and I hope the players are excited. “Pre-season can drag. We have had five good weeks but if you ask player…