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