1 axioms in Ontology 1 but not in Ontology 2:
- Import(<https://github.com/ontodev/robot/examples/edit.owl>)

1 axioms in Ontology 2 but not in Ontology 1:
+ Import(<https://github.com/ontodev/robot/examples/foo.owl>)

1 axioms in left ontology but not in right ontology:
- Import(<https://github.com/ontodev/robot/examples/edit.owl>)

1 axioms in right ontology but not in left ontology:
+ Import(<https://github.com/ontodev/robot/examples/foo.owl>)

Update doc example diff output.
Update doc example diff output.
