added a module containing the system choice information for the hubbard real system. Needs to be a better method, but this will work for now
added a module containing the system choice information for the hubbard real system. Needs to be a better method, but this will work for now

hande-qmc/hande,hande-qmc/hande,hande-qmc/hande,hande-qmc/hande,hande-qmc/hande,ruthfranklin/hande