BibEdit: add field template and change Makefile

* Allows to have record and field templates in bibedit directory.

* Adds new second author field template.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
BibTasklet: Adds tasklet to sync CDS/INSPIRE IDs

* bst_sync_cds_inspire_recids is designed to run on both CDS and
  Inspire, if it can't match IDs, it fetches the remote record and
  matched on the value of 035__a.
BibTasklet: several bugfixes to recID sync

* Fixes issue with extracting record IDs from remote records.

* Adds more sleeping points.

Co-authored-by: Jan Aage Lavik <jan.age.lavik@cern.ch>