Minor refactorings
Minor refactorings

mairdl/jabref,mairdl/jabref,Mr-DLib/jabref,obraliar/jabref,bartsch-dev/jabref,obraliar/jabref,ayanai1/jabref,tschechlovdev/jabref,jhshinn/jabref,JabRef/jabref,Siedlerchr/jabref,shitikanth/jabref,Siedlerchr/jabref,Mr-DLib/jabref,grimes2/jabref,jhshinn/jabref,mredaelli/jabref,oscargus/jabref,grimes2/jabref,Braunch/jabref,tschechlovdev/jabref,ayanai1/jabref,jhshinn/jabref,mairdl/jabref,Braunch/jabref,JabRef/jabref,sauliusg/jabref,shitikanth/jabref,oscargus/jabref,JabRef/jabref,shitikanth/jabref,grimes2/jabref,motokito/jabref,Siedlerchr/jabref,obraliar/jabref,shitikanth/jabref,Braunch/jabref,Siedlerchr/jabref,sauliusg/jabref,mairdl/jabref,obraliar/jabref,ayanai1/jabref,Braunch/jabref,Mr-DLib/jabref,oscargus/jabref,bartsch-dev/jabref,tobiasdiez/jabref,Mr-DLib/jabref,jhshinn/jabref,tschechlovdev/jabref,Braunch/jabref,JabRef/jabref,bartsch-dev/jabref,sauliusg/jabref,mairdl/jabref,zellerdev/jabref,mredaelli/jabref,tschechlovdev/jabref,tobiasdiez/jabref,motokito/jabref,zellerdev/jabref,sauliusg/jabref,oscargus/jabref,grimes2/jabref,bartsch-dev/jabref,zellerdev/jabref,motokito/jabref,shitikanth/jabref,jhshinn/jabref,ayanai1/jabref,Mr-DLib/jabref,tobiasdiez/jabref,zellerdev/jabref,oscargus/jabref,mredaelli/jabref,mredaelli/jabref,ayanai1/jabref,motokito/jabref,tschechlovdev/jabref,grimes2/jabref,mredaelli/jabref,tobiasdiez/jabref,zellerdev/jabref,motokito/jabref,bartsch-dev/jabref,obraliar/jabref