CryptoMiniSat 5.0.1 released — with MIT license

A new version of CryptoMiniSat, 5.0.1 has been released. It is essentially only a release to mark the move to a much more permissive, MIT license. I am changing the license so that everyone can use the system as they wish, however they wish. I want to give back to the community I have been part of for so long, and so I am making this change. Thank you all for using the solver, it makes me happy that I have been able to help some with my hobby work.