The top ten one-liner's from this year's Edinburgh Fringe Festival (as voted by the viewers of the Dave channel). 1. ""I've decided to sell my Hoover ... well, it was just collecting dust"" - Tim Vine 2. ""I've written a joke about a fat badger, but I couldn't fit it into my set"" - Masai Graham 3. ""Always leave them wanting more, my uncle used to say to me. Which is why he lost his job in disaster relief"" - Mark Watson 4. ""I was given some Sudoku toilet paper. It didn't work. You could only …