Rename reference/ref_id attribute to ref
Change ellipses_before/after to truncated_before/after and make it a boolean.
Change root document 'id' to 'uri'
Change identifier resolvers to user 'uri' instead of 'id'
Rename 'id' attribute for referenec to 'uri'.
Removed 'uri*' properties from 'bibliographic' object. Renamed 'inhfo_source' to 'bib_source'
Add uri_type to root for consistency
Rename groups list to citation_groups