Fix travis - hopefully
Fix travis - hopefully

JabRef/jabref,oscargus/jabref,Siedlerchr/jabref,shitikanth/jabref,zellerdev/jabref,Siedlerchr/jabref,tobiasdiez/jabref,oscargus/jabref,JabRef/jabref,JabRef/jabref,zellerdev/jabref,Siedlerchr/jabref,sauliusg/jabref,Siedlerchr/jabref,tobiasdiez/jabref,JabRef/jabref,zellerdev/jabref,sauliusg/jabref,sauliusg/jabref,tobiasdiez/jabref,zellerdev/jabref,shitikanth/jabref,oscargus/jabref,zellerdev/jabref,tobiasdiez/jabref,shitikanth/jabref,shitikanth/jabref,oscargus/jabref,shitikanth/jabref,sauliusg/jabref,oscargus/jabref