records: updates "big-file" section for AliESD

* (closes #688)
records: adds average download time in popups

* (addresses #685)
records: updates output text for average_download

* (closes #685)
records: updates "Citation" field

* (closes #693)
records: updates "big"-files displaying

* adds AJAX functionality to “big”-file-box, to asynchronously paginate
* adds functionality to dynamically choose words for caution box
* (closes #684)
CMS: PAT file removal in primary datasets

* Removes PAT file entries (field 8567) that slipped in Electron and Mu
  AOD primary dataset records via common EOS root directory.  (see #377)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
Co-authored-by: Pamfilos Fokianos <pamfilos.fokianos@cern.ch>