## Validator Changes
* Validate fixed/pattern values are not changed in derived profiles
* Fix NPE validating some profiles
* FHIRPath validation: consider sub-extensions when checking extension($) use
* Fix validation of concept maps containing SCT
* Preserve message id from terminology service so editors can use it to remove hints and warnings
## Other code changes
* Fix ConceptMap.group.target conversion from R3 to R5
* Fix NPE in list renderer
* fix bug showing 'required' instead of 'current' rendering additional bindings
* Fix bad references generating narratives in bundles
* Fix bug showing extension binding twice
* Various improvements to structure map validation to support cross-version mappings
* Add rendering for UsageContext and ContactDetail
* Fix broken link in xver IG for R2
* Fix bug rendering resources in Parameters resource
* Not-pretty xhtml gets line breaks before block tags to keep line length down (work around a jekyll issue)
* Improved ConceptMap rendering for cross-version IG
* Handle xhtml:div type for old FHIR version
* FML: strip '-' from rules names when parsing
* Update FML parsers to accept R5 metadata in R4 FML format
* Break out helper classes for Terminology Service Tester
## Security
* Add start of security notes
* Start moving file access to all go through ManagedFileAccess
## WHO Internationalization work:
* Add library to parse IETF Language definitions
* Move message translations to .po files as the master source & write convertor
* Much work making rendering i18n-able
* i18n for Patient renderer
* Refactor language handling in R5 renderers
***NO_CI***
## Validator Changes
* Fix grammar in validation messages
* Fix NPE in validator for SIDs
* Duplicate designations in a code system is a warning, not an error
* Fix value set validation to validate codes in example code systems
## Other code changes
* Improved multi-language support for IG development (LanguageUtils)
***NO_CI***
## Validator Changes
* CodeSystem property validation improvements
* More valueset validation improvements after real world testing
* Fix processing of NotSelectable filters using in | not-in
* Fix wrong collection type checking FHIRPath subsetOf parameter type
## Other code changes
* Fix rendering of contained resources in Kindling
* Put jurisdiction in NPM package file
* Rendering improvements for xver IG
* More xver support for concept maps
* Fix NPE in ContextUtilities (kindling)
* Add OID Assigner utility
***NO_CI***
markiantorno
Grahame Grieve
Grahame Grieve