Merge branch 'develop' into minor-ui-improvement

css/less/window.less

docs/getting-started.md

js/lib/isfahan.js

js/src/annotations/osd-region-draw-tool.js

js/src/utils/saveController.js

js/src/viewer/manifestListItem.js

js/src/widgets/searchTab.js

js/src/widgets/searchWithinResults.js

locales/nl/translation.json

package.json