Release 1.7.0

List of changes:

• Adopt Opencast 16 changes (lucene search endpoint removal by toggle it in the config -> features -> lucene [default false])
• runWithRoles does not apply the headers when api version is not defined
• Playlist endpoint minor changes
• Add workflow configuration params into ingest method.
• Make guzzle version require from (>=) v7.5.1 in compose