Merge pull request #3026 from ProjectMirador/2598-collections

__tests__/fixtures/version-2/collection.json

__tests__/integration/mirador/collections.html

__tests__/src/components/CollectionDialog.test.js

__tests__/src/components/CollectionInfo.test.js

__tests__/src/components/ManifestListItem.test.js

__tests__/src/lib/MiradorViewer.test.js

__tests__/src/reducers/catalog.test.js

__tests__/src/sagas/app.test.js

__tests__/src/sagas/windows.test.js

src/components/CollectionDialog.js

src/components/CollectionInfo.js

src/components/ManifestListItem.js

src/components/WindowSideBarCanvasPanel.js

src/components/WindowSideBarCollectionPanel.js

src/components/WindowSideBarInfoPanel.js

src/components/WorkspaceArea.js

src/components/WorkspaceMosaic.js

src/containers/CollectionDialog.js

src/containers/CollectionInfo.js

src/containers/ManifestInfo.js