Merge remote-tracking branch 'origin/conop-refactor' into develop

.gitignore

CMakeLists.txt

modules/conop/doc/compoundlib.rst

modules/conop/doc/connectivity.rst

modules/conop/doc/conop.dox

modules/conop/doc/conop.rst

modules/conop/doc/functions.rst

modules/conop/pymod/CMakeLists.txt

modules/conop/pymod/__init__.py

modules/conop/pymod/cleanup.py

modules/conop/pymod/export_compound.cc

modules/conop/pymod/export_conop.cc

modules/conop/pymod/export_diag.cc

modules/conop/pymod/export_heuristic.cc

modules/conop/pymod/export_processor.cc

modules/conop/pymod/export_rule_based.cc

modules/conop/pymod/wrap_conop.cc

modules/conop/src/CMakeLists.txt

modules/conop/src/builder.hh

modules/conop/src/compound.hh