Fixed unit tests.

Updated to use pid REST endpoint.

Minor change in data.service and unit test update.

Updated the objectnotfound page with new text and go home button.

Item-Collection mapper

[DS-4346] V2: create docker compose files in code base

Small bug-fix due to changes to relationship-type

Rename relationship type properties

Add header icon color variable

Conflicts:
	src/app/core/data/collection-data.service.ts

variables

Submission miscellaneous fixes

Remove duplicated "SearchFilterService"

Redirecting user to same page after login.

Conflicts:
	resources/i18n/en.json5