Add associated files (PDF) urls to the curl script to retrieve more than OIFits

[gmella]

Each search queries return in the top rigth corner or result table a link to get a curl script. This script give a way to retrieve every OIFits files correspnding the the query in a single operation even for protected data. Getting associated datalinks files in the same script would be a great enhancement to retrieve in a simple operation all material provided behind too many links on OiDB.