v1.5.0 Release Notes

See the release and closed tickets on the v1.5.0 milestone on Github.

Required changes to existing data:

New features:

Resources can be returned in the simple ontology schema (#833).
Text values can specify the language of the text (#819).
Responses can be returned in Turtle and RDF/XML (#851).

Bugfixes:

Incorrect representation of IRI object values in JSON-LD (#835)
GenerateContributorsFile broken (#797)