Merge branch 'master' into gl-lines

docs/model-server/readme.md

package-lock.json

package.json

src/apps/cif2bcif/converter.ts

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

src/mol-model-props/common/wrapper.ts

src/mol-model-props/index.ts

src/mol-model-props/pdbe/preferred-assembly.ts

src/mol-model-props/pdbe/struct-ref-domain.ts

src/mol-model-props/pdbe/structure-quality-report.ts

src/mol-model-props/rcsb/symmetry.ts

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

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

...ol-model/structure/export/categories/modified-residues.ts

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

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