improve and fix enum generation
bibref changes from Roy
remove lowercasing of RFC2119
testing the rfc2119 change
fix union parsing in attributes
fix indentation for union attributes
improve table rendering for attribute unions
v3.1.46
Merge branch 'release/v3.1.46' into develop
Update EARL10-REQUIREMENTS and EARL10-SCHEMA.
Add message when a <dfn> is re-defined.
Update biblio.js
added a bunch of dated references
Add RFC4646, "Tags for Identifying Languages"
Merge pull request #156 from mounirlamouri/patch-2

Add RFC4646, "Tags for Identifying Languages"
Merge pull request #155 from gps-git/develop

added a bunch of dated references
Merge pull request #154 from gps-git/patch-1

Update biblio.js
Merge pull request #153 from gkellogg/develop

EARL bibref and dfn re-definition
v3.1.47
Merge branch 'release/v3.1.47' into develop