wip, simplified camera class

src/apps/viewer/extensions/jolecule.ts

src/mol-canvas3d/camera.ts

src/mol-canvas3d/camera/transition.ts

src/mol-canvas3d/camera/util.ts

src/mol-canvas3d/canvas3d.ts

src/mol-canvas3d/controls/trackball.ts

src/mol-canvas3d/passes/multi-sample.ts

src/mol-canvas3d/passes/postprocessing.ts

src/mol-gl/_spec/renderer.spec.ts

src/mol-gl/renderer.ts

src/mol-math/linear-algebra/3d/quat.ts