HL7 AU ballot fixes technical design issues for 5 level 0 profiles (AU Smoking Status, AU Estimated Time of Delivery, AU Gravidity, AU Last Menstral Period and AU Parity)

[davidmckillop]

The five Draft 0 profiles of

• AU Smoking Status refer to https://jira.hl7australia.com/browse/FHIRIG-159,
• AU Estimated Time of Delivery refer to https://jira.hl7australia.com/browse/FHIRIG-161,
• AU Gravidity refer to https://jira.hl7australia.com/browse/FHIRIG-163,
• AU Last Menstral Period refer to https://jira.hl7australia.com/browse/FHIRIG-165 and
• AU Parity - refer to https://jira.hl7australia.com/browse/FHIRIG-167, had their StructureDefinition files updated so the slices would function as desired and some tidy up of short and definitions.