rifcs 1.6 electronic address additional values
Merge branch 'develop' of github.com:au-research/ANDS-Registry-Core into develop

* 'develop' of github.com:au-research/ANDS-Registry-Core:
  fix identifier value matching
  cc1001 remove restriction on provider type in ds settings
  cc1016 hide add new ds for non superuser
  cc980 roles minor changes