UTG

UP-176
Update canonical URL for hcDIN code system.
Update description for hcDIN code system.
Update canonical URLs for hcDIN naming system.
- add new preferred canonical URL
- add new non-preferred canonical URL for backward compatibility
- change existing preferred canonical URL to non-preferred for backward compatibility
- update version for code system and naming system
- update date for code system and naming system
- remove parameter for previous canonical URL from utg.xml
- update external-Rendering.xml with new canonical URL