Added GeneralMatrixProduct and OldMatrixProductOperator

Status Name Job ID Coverage
  Static Checks
canceled check_no_asserts #1354736

 
  Build Docker
canceled build_docker_from_cache #1354737

 
  Test
canceled test_mpi #1354739

canceled test_serial #1354738

 
  Demo Runs
canceled run_bernoulli #1354747

canceled run_curve_fitting #1354748

canceled run_getting_density #1354746

canceled run_getting_started_1 #1354742

canceled run_getting_started_2 #1354743

canceled run_getting_started_3 #1354744

canceled run_getting_started_mf #1354745

canceled run_ipynb0 #1354740

canceled run_ipynb1 #1354741

canceled run_meanfield #1354750

canceled run_nonlinearity_guide #1354751

canceled run_visual_vi #1354749