Add a pure morph config
Add a pure morph config

Best way to see this in effect right now would be to navigate to
app/#/pure_morph?doc=caesar2&s=5

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