Gills fans will be all smiles by May if the bookmakers’ odds for success are anything to go by. League 2 sponsors Sky Bet have Gillingham third-favourites to win the division at odds of 8/1, despite finishing 12th in the previous campaign. By Tom Fullagar More: 10 forgotten Gills players and where they are now With new rivalries forming and new players joining, can the Gills bounce back in their third year in League 2? The bookies have installed newly-promoted Chesterfield, who have signed four players from League 1 clubs, as favourites to win the league at 6/1. Manager Paul Cook has plenty of…