BibRank: record ID citations catchup

* The catchup for record ids got lost in one of the merges...it is now
  added back. This accounts for removed citations for $0 when a cited record
  was modified.

Signed-off-by: Alessio Deiana <alessio.deiana@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>
BibDocFile: display counts in tabs

* The files tab in detailed record pages was not displaying the counts
  next to the tabs, e.g. citations instead of citations(4).

Signed-off-by: Alessio Deiana <alessio.deiana@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>