For the first two I recommend contacting your Altera rep they can give you a more "official" answer than I can. For the 3rd one I'm not 100% sure about this but I don't think the license is bound to the board, it's bound to the SDK as far as I know. So for example if you had a license I think you can use any board you want that supports OpenCL. I'm not sure about the details of the license like the length of validity, deployment, etc... but I don't think it would be any different than say Quartus II, but I would check with your Altera rep to make sure.