Use updated version that looks up by unmodified licence IDs.

This is on a branch of the git repo at the moment, publish 0.1.1 of the
gem and reference that before merging
Define licence name substitution for odc-odbl licence

Doesn’t use ODC prefix and ODbL is not all uppercase.
Merge pull request #920 from theodi/bugfix-lookup-licenses-by-exact-id-or-sub

Bugfix lookup licences by exact id or substitute most recent version