do not initialize the b2share fileinfo/tabview stuff when no fileinfo object is given. Addresses #37
do not initialize the b2share fileinfo/tabview stuff when no fileinfo object is given. Addresses #37

(cherry picked from commit 92325a2)

EUDAT-B2DROP/b2sharebridge,EUDAT-B2DROP/b2share-bridge,EUDAT-B2DROP/b2share-bridge,EUDAT-B2DROP/b2sharebridge