Merged mol-model branch

src/mol-model/annotation/annotation.ts

src/mol-model/annotations.ts

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

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

src/mol-model/structure/query/generators.ts

src/mol-model/structure/query/query.ts

src/mol-model/structure/structure/symmetry.ts

src/perf-tests/structure.ts