Revert to previous behavior of not including empty partial date hashes in Edit::Relationship::Create data

Fixes a test failure in Series::Create.
Revert to previous behavior of not including empty partial date hashes in Edit::Relationship::Create data

Fixes a test failure in Series::Create.
Merge branch 'normalized-dates-test-fix'

* normalized-dates-test-fix:
  Revert to previous behavior of not including empty partial date hashes in Edit::Relationship::Create data
Merge remote-tracking branch 'bitmap/normalized-dates-test-fix' into beta

* bitmap/normalized-dates-test-fix:
  Revert to previous behavior of not including empty partial date hashes in Edit::Relationship::Create data
Merge branch 'master' into beta