Farming balance — Steam Revolution: The Age of Rail Steam update #47419

Changed recipes for workshop to use leather instead of steel to boost production of farm tools. This was needed because steel was also used to produce mechanisms. Having the same input used for two different outputs caused problems.Changed various farm locations to use farming tools to massively boost production. Previously farming tools had no effect. This was an oversight because they used to be used, but I simplified the recipes to use leather instead, but that left farming tools with no utility.Fix issue with silos at industries that produce the same good as in the silo. If a train arrives with nothing to unload, don't add unloading as a possible action for the train. The problem was that if a train car had conflicting load vs unload orders, one of the orders was removed. This meant that trains would not pick up from the industry.Don't draw highlights for track ends that are close to...