UTG

Merge branch 'master' of https://github.com/HL7/UTG into UP-152-update-cpt-code-system-and-naming-system-per-hta

# Conflicts:
#	input-cache/schemas/R5/fhir-single.xsd
#	input-cache/txcache/EPSG-GeodeticParameterDataset.cache
#	input-cache/txcache/MSH.cache
#	input-cache/txcache/SCDHEC-GISSpatialAccuracyTiers.cache
#	input-cache/txcache/all-systems.cache
#	input-cache/txcache/appointment-cancellation-reason.cache
#	input-cache/txcache/epsg-ca.cache
#	input-cache/txcache/epsg-crs.cache
#	input-cache/txcache/http___ncithesaurus-stage.nci.nih.gov.cache
#	input-cache/txcache/https___www.cms.gov_Medicare_Coding_HCPCSReleaseCodeSets.cache
#	input-cache/txcache/icd9cm.cache
#	input-cache/txcache/iso3166-2.cache
#	input-cache/txcache/loinc.cache
#	input-cache/txcache/naics.cache
#	input-cache/txcache/nubc-UB92.cache
#	input-cache/txcache/service-category.cache
#	input-cache/txcache/service-type.cache
#	input-cache/txcache/ucum.cache
#	input-cache/txcache/v2-0350.cache
#	input-cache/txcache/v2-0351.cache
#	input-cache/txcache/v2-0456.cache
#	input-cache/txcache/v2-0895.cache
#	input-cache/txcache/v3-ActClass.cache
#	input-cache/txcache/v3-RoleClass.cache
#	input/sourceOfTruth/control-manifests/external-Rendering.xml
#	input/sourceOfTruth/history/utgrel1hx-1-0-10.json
#	input/utg.xml