deposit: file upload confirmation

* Adds validator to ensure that the uploader has the rights to
  upload the PDF.

Signed-off-by: Pedro Gaudêncio <pedro.gaudencio@cern.ch>
Co-authored-by: Javier Martin Montull <javier.martin.montull@cern.ch>
Co-authored-by: Georgios Kokosioulis <giokokos@gmail.com>
fabfile: conf_branch for inspirevm08

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: file upload user agreement temporary text

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: Experiments KB name update

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
base/deposit: visual small changes

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
deposit: page range fix

* Adapts JS to new Page Range/Article ID field.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
workflows: new actions structure

* Changes the structure for actions to be AMD compatible.

* Adds templates for new core_approval action.

* NOTE Makes core_approval action the default action in literature
  submission.

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