This function should be called prior to importing any document information
to the LBS with the function lbsImportDocuments.
Note that adding all the sources takes some time.
Only elementary ASJC and SciVerse Scopus source data
read from Scopus_ASJC and Scopus_SourceList
will be added to the LBS (Biblio_Categories, Biblio_Sources, Biblio_SourcesCategories).