Updated ensembl_ontology schema scripts

Requirements

• Filling out the template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion;
• Review the contributing guidelines for this repository; remember in particular:
  • do not modify code without testing for regression
  • provide simple unit tests to test the changes
  • if you change the schema you must patch the test databases as well, see Updating the schema
  • the PR must not fail unit testing

Description

Updated Ontology schema model:

• Added field iri on Term
• Added field title on Ontology

Use case

NTR

Benefits

Added new fields. could help retrieve terms directly from their iri (specially when loaded via OLS loader)

Possible Drawbacks

None afaik

Testing

Updated tests scripts to include schema updates

Passed

Have you run the entire test suite and no regression was detected? I am afraid not, but modification only impacts ontology model, nothing else.