workaround: add code, code_system, and codeSystemName to ordinality
workaround: new xpath for negation reason, and add code_system to negation reason
workaround: encounter reason
workaround for anatomical structure code
workaround for ordinality code
workaround: encounter order should just have a time, but one of the measures requires start_time
Revert "workaround: encounter reason"

This reverts commit 5ebc869c3477ca66bdecb34f777e4d764f6fdfd7.
move reason xpath override and admit_time to Cat1::EncounterPerformedImporter

Conflicts:
	test/unit/import/cat1/patient_importer_test.rb
workaround: codes in encounter reason
rebased yoons pull request, fixed test suite and errors
Merge branch 'measure-calculation-workarounds'

Rebasing and merging pull request #103
Updating the README
verifying risk category assessment value import, modified unit test to assert value import
Merge branch 'risk_category_assessment_value'

Rebasing and merging pull request #105
Fix patient ids when importing by_patient results
Merge pull request #106 from sporkd/fix_import_patient_ids

Fix patient ids when importing by_patient results
Adding CDA identifiers to providers

Making CDAIdentifier embedding polymorphic. This ripples through to
entry. Providers can now have many CDAIdentifiers. This is to support
identifiers for providers in QRDA Cat I.
Refactoring the way that NPI and TIN are stored in provider

Previously, these were String fields on Provider. Now they are
stored in CDAIdentifers. Convenience methods have been created to
allow for them to be acccess the way they used to be.
Merge pull request #107 from projectcypress/identifiers_for_providers

Adding CDA identifiers to providers
Now exporting providers in QRDA Cat I

Previously, QRDA Cat I would only export a placeholder provider. Now
if a Record has ProviderPerformances, it will export those providers.