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

# Conflicts:
#	package.json
#	src/app/+item-page/edit-item-page/item-delete/item-delete.component.spec.ts
#	src/app/+item-page/edit-item-page/item-private/item-private.component.spec.ts
#	src/app/+item-page/edit-item-page/item-public/item-public.component.spec.ts
#	src/app/+item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts
#	src/app/+item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts
#	src/app/+item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts
#	src/app/+search-page/search-service/search.service.spec.ts
#	src/app/core/auth/auth-response-parsing.service.spec.ts
#	src/app/core/auth/auth-response-parsing.service.ts
#	src/app/core/cache/builders/remote-data-build.service.ts
#	src/app/core/cache/response-cache.reducer.spec.ts
#	src/app/core/cache/response-cache.service.spec.ts
#	src/app/core/cache/response.models.ts
#	src/app/core/config/config-response-parsing.service.ts
#	src/app/core/core.effects.ts
#	src/app/core/core.module.ts
#	src/app/core/core.reducers.ts
#	src/app/core/data/base-response-parsing.service.ts
#	src/app/core/data/data.service.ts
#	src/app/core/data/item-data.service.spec.ts
#	src/app/core/data/request.models.ts
#	src/app/core/data/request.service.spec.ts
#	src/app/core/data/request.service.ts
#	src/app/core/integration/integration-response-parsing.service.spec.ts
#	src/app/core/integration/integration-response-parsing.service.ts
#	src/app/core/integration/integration.service.ts
#	src/app/core/metadata/metadata.service.spec.ts
#	src/app/core/registry/registry.service.spec.ts
#	src/app/core/shared/hal-endpoint.service.ts
#	src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control.component.ts
#	src/app/shared/mocks/mock-response-cache.service.ts
#	src/app/shared/shared.module.ts