* INCOMPATIBLE Removes unused workflows.

Reviewed-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>

* BETTER Also takes setSpec information from the saved OAI config
  when not explicitly given.

* FIX Passes only YYYY-MM-DD as from/to parameter to OAI API.

* Improves the API code slightly when getting data from the OAI
  config object.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

* BETTER Now supports multiple sets in setSpec, e.g.
  'cs physics:hep-lat'.

* Adds tests for list_records API.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

* INCOMPATIBLE Removes direct integration with invenio-workflows
  to instead rely on signals for harvest post-processing.

* INCOMPATIBLE Removes `workflow` argument from CLI and Celery task
  integration.

* INCOMPATIBLE Removes `output` parameter from CLI and Celery task
  integration.

* INCOMPATIBLE Removes unused templates and workflow tasks.

* BETTER Simplifies the general CLI and tasks interface by
  determining the output type from arguments given.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

* FIX Properly updates lastrun time upon regular harvesting.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

* INCOMPATIBLE Changes CLI command structure to be simpler.

* BETTER The CLI command `harvest` now initiates harvesting, `get` and
  `queue` has been removed. See help on `harvest` command for more
  information.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>