Merge pull request #218 from mozilla/feature/cursor-controller

src/behaviours/joystick-dpad4.js

src/behaviours/trackpad-dpad4.js

src/components/cursor-controller.js

src/components/event-repeater.js

src/components/super-cursor.js

src/components/super-spawner.js

src/hub.html

src/hub.js

src/input-mappings.js

yarn.lock