Merge branch 'release-1.2.0'

CHANGELOG

CMakeLists.txt

actions/pm-build-model

core/doc/CMakeLists.txt

core/doc/graph_minimizer.rst

core/doc/index.rst

core/pymod/CMakeLists.txt

core/pymod/export_graph_minimizer.cc

core/pymod/wrap_core.cc

core/src/CMakeLists.txt

core/src/dynamic_spatial_organizer.hh

core/src/eigen_types.hh

core/src/graph_minimizer.cc

core/src/graph_minimizer.hh

core/src/superpose.cc

core/src/superpose.hh

core/src/tetrahedral_polytope.cc

core/src/tetrahedral_polytope.hh

core/tests/CMakeLists.txt

core/tests/test_graph_minimizer.cc