Merge remote-tracking branch 'remotes/origin/master' into notifications

README.md

config/environment.default.js

docs/Configuration.md

karma.conf.js

nodemon.json

package.json

resources/i18n/en.json

src/app/+collection-page/collection-page.component.ts

...evel-community-list/top-level-community-list.component.ts

src/app/+search-page/normalized-search-result.model.ts

src/app/+search-page/paginated-search-options.model.ts

...er/search-facet-filter/search-facet-filter.component.html

...search-facet-filter/search-facet-filter.component.spec.ts

...lter/search-facet-filter/search-facet-filter.component.ts

...search-filters/search-filter/search-filter.component.html

...e/search-filters/search-filter/search-filter.component.ts

...earch-filters/search-filter/search-filter.service.spec.ts

...age/search-filters/search-filter/search-filter.service.ts

...+search-page/search-filters/search-filters.component.html

...arch-page/search-filters/search-filters.component.spec.ts