BibAuthorID: logger wsgi compatibilty

* Never print if initialized inside a mod_wsgi container.

Signed-off-by: Artem Tsikiridis <artem.tsikiridis@cern.ch>
Signed-off-by: Samuele Carli <samuele.carli@cern.ch>
Merge pull request #51 from Osso/bibauthorid-1.79-ops-hotfixes

BibAuthorID: logger wsgi compatibilty