Results 3 issues of Huda Khayrallah

I get this warning interspersed with the normal logs (eg. `training the a -> b -> a loop.`, `training the b -> a -> b loop.` and `training on bitext`)...

enhancement

The vocab files are expected to be named vocab.$lang.json and be in the model directory. They can either just be linked there, or the location to look for them could...

enhancement