Merge branch 'master' into cartoon-repr

src/apps/structure-info/model.ts

src/mol-io/writer/cif/encoder.ts

src/mol-io/writer/cif/encoder/binary.ts

src/mol-io/writer/cif/encoder/text.ts

src/mol-model/structure/export/categories/atom_site.ts

...-model/structure/export/categories/secondary-structure.ts

src/mol-model/structure/export/mmcif.ts

src/mol-model/structure/model/formats/mmcif.ts

src/mol-model/structure/model/formats/mmcif/bonds/comp.ts

...-model/structure/model/formats/mmcif/bonds/struct_conn.ts

...odel/structure/model/formats/mmcif/secondary-structure.ts

src/mol-model/structure/model/formats/mmcif/util.ts

src/mol-model/structure/model/properties/atomic/hierarchy.ts

...ol-model/structure/model/properties/seconday-structure.ts

...mol-model/structure/structure/unit/links/inter-compute.ts

...mol-model/structure/structure/unit/links/intra-compute.ts