When I said freshness I was talking about the date on the packet of dried yeast. You don't need to disolve the dried yeast in water - just make sure the water you add to the overall mixture is warm - straight from the tap warm is perfect.
The freshness of the yeast is more important than the freshness of the flour. Kneeding is very important - it activates the yeast so do as much as your fitness will allow. Prove for a few hours at room temp in a bowl with a tea towel over it.