Merge branch 'master' into cartoon-repr

src/mol-model/structure/query.ts

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

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

src/servers/model/properties.ts

src/servers/model/properties/structure-quality-report.ts

src/servers/model/query/atoms.ts

src/servers/model/query/schemas.ts

src/servers/model/server/api-web.ts

src/servers/model/server/api.ts

src/servers/model/server/query.ts

src/servers/model/server/structure-wrapper.ts