Added feature in FilterClashes and CheckStereoChemistry to report

modules/mol/alg/pymod/wrap_mol_alg.cc

modules/mol/alg/src/CMakeLists.txt

modules/mol/alg/src/distance_test_common.cc

modules/mol/alg/src/distance_test_common.hh

modules/mol/alg/src/filter_clashes.cc

modules/mol/alg/src/filter_clashes.hh

modules/mol/alg/src/local_dist_diff_test.cc

modules/mol/alg/src/local_dist_diff_test.hh