Merge branch 'master' into 3-update-mirador

__tests__/src/components/NestedMenu.test.js

__tests__/src/components/OpenSeadragonViewer.test.js

__tests__/src/components/ScrollTo.test.js

__tests__/src/components/SearchPanelControls.test.js

__tests__/src/components/SidebarIndexTableOfContents.test.js

__tests__/src/components/ThumbnailNavigation.test.js

__tests__/src/components/Window.test.js

__tests__/src/components/WindowTopBarPluginMenu.test.js

__tests__/src/lib/MiradorViewer.test.js

__tests__/src/sagas/windows.test.js

__tests__/src/selectors/canvases.test.js

__tests__/src/selectors/manifests.test.js

__tests__/src/selectors/searches.test.js

babel.config.js

jest-puppeteer.config.js

package.json

src/components/AccessTokenSender.js

src/components/AnnotationsOverlay.js

src/components/AudioViewer.js

src/components/CanvasAnnotations.js