Open local turtle file and check that it is in sync with provn
Add turtle serialisations
If found difference: update turtle serialisations
Use (java) ProvToolbox to compute turtle
Rely on local turtle file for testing
Update turtle serialisations
Merge pull request #209 from cmaumet/also_store_ttl

Automatically compute and store turtle serialisation + test consistency with provn
Display "same as" in terms README
Update terms README
fix: prov:definition -> rdfs:isDefinedBy