Admin pop-up to create/edit a DSO

Conflicts:
	src/app/shared/shared.module.ts

Browse by date and Starts-With component

Conflicts:
	config/environment.default.js
	src/config/global-config.interface.ts

Administrative Item Edit

Conflicts:
	src/app/+community-page/community-page.component.ts
	src/app/core/auth/server-auth.service.ts
	src/app/core/data/dso-response-parsing.service.ts
	src/app/core/data/item-data.service.ts
	src/app/core/data/metadata-schema-data.service.ts
	src/app/core/data/request.models.ts
	src/app/core/metadata/metadata.service.spec.ts
	src/app/core/metadata/normalized-metadata-schema.model.ts
	src/app/core/shared/metadatum.model.ts
	src/app/core/shared/operators.spec.ts
	src/app/shared/shared.module.ts

Conflicts:
	src/app/core/browse/browse.service.ts
	src/app/shared/shared.module.ts

Modifying metadata registries

DS-4107 Metadata as map updates for Angular