Added entry into changelog.md
Added entry into changelog.md

JabRef/jabref,Siedlerchr/jabref,Siedlerchr/jabref,JabRef/jabref,Siedlerchr/jabref,JabRef/jabref,Siedlerchr/jabref,sauliusg/jabref,JabRef/jabref,sauliusg/jabref,sauliusg/jabref,sauliusg/jabref