org.hl7.fhir.core/RELEASE_NOTES.md

Validator Changes

• fix handling of xver extensions with choice sub-extensions

Other code changes

• more presenting extensions when rendering.
• Get package id from 'package' field when 'npm-package' unavailable
• Ignore META-INF contents from other dependencies while building Validator jar
• Fix to r5 TestingUtilities to allow NarrativeGenerationTests to pass.