Change gr_attributes conf file to new rule syntax
Change gr_attributes conf file to new rule syntax

latin-language-toolkit/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,Masoumeh/arethusa