Support all 28(!) raw modes of the Nikon D4s

Support all possible raw modes of the D4s based on files from:

http://updates.rawdigger.com/data/D4s/

The definitions are very similar to the D810 which means we should probably support all the D810 modes as well. The only thing that's simpler in the D4s is that no crops are required whereas the D810 needs crops in FX but not in DX mode.