BibTasklets: better sleep handling in APS harvest

* In certain cases the calculated time to sleep between requests
  could be below zero. The timings and handling of this is now
  improved.
Updates author pages regression tests
tests: renames web test into web_regression_tests.py

* Also now installs the test in Invenio module directory.
Activate web tests for restricted tools by default

* Uses admin with no password to run tests on builders.
tests: renames to inspire_regression_tests.py for buildbot
tests: final change to test name

* Properly renames the tests to be caught by buildbots.
BibFormat: modify abstract display

* Adds new INSPIRE_abstract format element, for displaying
  multiple abstracts in Inspire

Co-authored-by: Javier Martin Montull <javier.martin.montull@cern.ch>
BibFormat: fix abstract
BibFormat: add OSTI XML output

Co-authored-by: Rob Atkinson <atkinson@fnal.gov>
BibTasklets: add new features to APS harvester

* Adds a new parameter to the APS harvester called 'reportonly',
  which allows the user to only receive the number of records
  to harvest and exit. This mode will not harvest any records.

* Adds a new parameter 'threshold_date' in bst_apsharvest that
  allows to specify an ISO date for when the harvested records
  should succeed in order to be considered for harvesting.

* Adds a new parameter "devmode" to APS harvester that can be
  enabled for testing purposes that will not send mails or
  do uploads, and provide full verbosity.

* Adds more error reporting to APS harvester via e-mail.
apsharvest: move away to tmp-shared/apsharvest
Minor fix to inspire_update_feedboxes.py
Various: html validation fixes
BibTasklets: properly add FFT field indicators

* The APS harvester using docextract.BibRecord was not properly
  creating the FFT field as the proper indicators were not
  passed. This patch fixes that.

Reported-by: Kirsten Sachs <kirsten.sachs@desy.de>
BibTasklets: add another sleeping point

* Adds another sleeping point in APS harvester.

Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
bibformat: new orcid format element

* Display ORCID in HepNames detailed view