Switch back to released version of ncs_navigator_configuration.

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Add MDES 3.2 operational enumerator. #3468.

It's identical to the 3.1 one because there are no operational data
changes for MDES 3.2.
Hard-code PROVIDER.MEDICAL_RECORDS to -4. #3468.

This is a new mandatory field that Cases does not support collecting
yet (#3632).
Merge pull request #83 from NUBIC/3468-mdes_32_op_enum

MDES 3.2 Operational Enumerator (#3468)