Merge branch 'develop' into qt5_port

CHANGELOG.txt

doc/conf/conf.py

modules/base/pymod/table.py

modules/bindings/pymod/cadscore.py

modules/io/doc/io.rst

modules/io/pymod/__init__.py

modules/io/src/mol/pdb_writer.cc

modules/io/tests/test_io_pdb.cc

modules/mol/alg/doc/molalg.rst

modules/mol/alg/pymod/export_molck.cc

modules/mol/alg/src/accessibility.cc

modules/mol/alg/src/molck.cc

modules/mol/alg/src/molck.hh

modules/mol/base/doc/editors.rst

modules/mol/base/doc/entity.rst

modules/mol/base/pymod/export_editors.cc

modules/mol/base/src/editor_base.cc

modules/mol/base/src/editor_base.hh

modules/mol/base/src/impl/query_impl.cc

modules/mol/base/tests/test_entity.cc