BibTasklets: set threshold date to from_date

* Sets the threshold date for harvesting APS records
  automatically to the from_date value.

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

* For new installations, disable the virtual index definitions.
  Will be re-activated after fully moving to virtual indexes.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
BibFormat: rename hepdata to data

* Renames 'hepdata' to 'data' in a link
Yet another banner

Co-authored-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
bibcheck: doi check improvement

* Ignores proceedings records when querying for DOIs.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
Current banner

Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Author only banner

Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
Removing all banners!

Signed-off-by: Samuele Kaplun <samuele.kaplun@cern.ch>
installation: twitter package source update

* Due to confusion on versions of twitter API that is incompatible,
  we now fetch twitter package from the specific source.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
BibTasklets: Consyn harvest tasklet modified

* Adds parameter upload_FTP to determine whether
  the result files should be uploaded to the FTP
  server.

Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
BibTasklets: consyn DB removal
BibTasklets: keep one folder only

* Does no longer create work folders for CONSYN harvest.

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

* When looking for DOI in the database, do not search
  when there is no DOI found. Otherwise all records are returned.

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