Merge branch '396-fix-the-unit-independent-search' into 'dev'

dbrepo-search-service/Dockerfile

dbrepo-search-service/Pipfile

dbrepo-search-service/Pipfile.lock

dbrepo-search-service/app/api/routes.py

dbrepo-search-service/app/opensearch_client.py

dbrepo-search-service/omlib/__init__.py

dbrepo-search-service/omlib/constants.py

dbrepo-search-service/omlib/dimension.py

dbrepo-search-service/omlib/exceptions/__init__.py

dbrepo-search-service/omlib/exceptions/dimensionexception.py

...earch-service/omlib/exceptions/unitconversionexception.py

...-search-service/omlib/exceptions/unitidentityexception.py

dbrepo-search-service/omlib/measure.py

dbrepo-search-service/omlib/omconstants.py

dbrepo-search-service/omlib/rdf/__init__.py

dbrepo-search-service/omlib/rdf/om-2.0.rdf

dbrepo-search-service/omlib/scale.py

dbrepo-search-service/omlib/thing.py

dbrepo-search-service/omlib/unit.py

dbrepo-ui/api/search.service.js