Adding two new sysprefs :

Adding two new sysprefs :
- z3950NormalizeAuthor of type YesNo. Set this to yes if you want author field to be filled with authorities fields when importing biblio in z3950
- z3950AuthorAuthfields, free text : type in comma-separated list of fields to search for author names for AuthorNormalization.

Adding a feature on a Z3950 import.
You can now automatically fill author with person name authority contained in the biblio if sysprefs are filled.