Merge branch 'master' into volume

package.json

src/apps/basic-wrapper/index.html

src/apps/basic-wrapper/index.ts

src/mol-canvas3d/canvas3d.ts

src/mol-canvas3d/controls/trackball.ts

src/mol-plugin/behavior/static/state.ts

src/mol-plugin/command.ts

src/mol-plugin/component.ts

src/mol-plugin/context.ts

src/mol-plugin/layout.ts

src/mol-plugin/state.ts

src/mol-plugin/state/animation/built-in.ts

src/mol-plugin/state/animation/manager.ts

src/mol-plugin/state/animation/model.ts

src/mol-plugin/state/camera.ts

src/mol-plugin/state/snapshots.ts

src/mol-plugin/state/transforms/model.ts

src/mol-plugin/ui/base.tsx

src/mol-plugin/ui/camera.tsx

src/mol-plugin/ui/controls.tsx