Add groups uml diagram
Add groups uml diagram

JabRef/jabref,jhshinn/jabref,jhshinn/jabref,mredaelli/jabref,oscargus/jabref,zellerdev/jabref,Mr-DLib/jabref,mredaelli/jabref,mredaelli/jabref,shitikanth/jabref,tobiasdiez/jabref,sauliusg/jabref,grimes2/jabref,Siedlerchr/jabref,oscargus/jabref,bartsch-dev/jabref,Siedlerchr/jabref,zellerdev/jabref,shitikanth/jabref,mredaelli/jabref,bartsch-dev/jabref,zellerdev/jabref,oscargus/jabref,jhshinn/jabref,tobiasdiez/jabref,jhshinn/jabref,mredaelli/jabref,jhshinn/jabref,sauliusg/jabref,Mr-DLib/jabref,tobiasdiez/jabref,grimes2/jabref,shitikanth/jabref,sauliusg/jabref,grimes2/jabref,oscargus/jabref,grimes2/jabref,tobiasdiez/jabref,Mr-DLib/jabref,bartsch-dev/jabref,zellerdev/jabref,oscargus/jabref,shitikanth/jabref,JabRef/jabref,grimes2/jabref,JabRef/jabref,Mr-DLib/jabref,zellerdev/jabref,JabRef/jabref,bartsch-dev/jabref,Siedlerchr/jabref,bartsch-dev/jabref,shitikanth/jabref,Siedlerchr/jabref,sauliusg/jabref,Mr-DLib/jabref