WebSearch: add middle name wild card

* In _create_author_search_pattern_from_fuzzy_name_dict, adds
  LastName, firstName --> LastName, f *
  (closes #1102)

Signed-off-by: Eduardo Benavidez <eduardo.benavidez@gmail.com>
Tested-by: Samuele Kaplun <samuele.kaplun@cern.ch>