Merge pull request #1867 from ProjectMirador/1790-bookview-implementation

__tests__/fixtures/version-2/019.json

__tests__/src/components/OpenSeadragonViewer.test.js

__tests__/src/components/ThumbnailNavigation.test.js

__tests__/src/components/WindowViewer.test.js

__tests__/src/lib/MiradorViewer.test.js

__tests__/src/selectors/index.test.js

src/components/OpenSeadragonViewer.js

src/components/WindowViewer.js

src/config/settings.js

src/lib/ManifestoCanvas.js

src/lib/MiradorViewer.js