added optional second argument to ConllCorefLoader that specifies whether you want to load ground truth noun phrases corresponding to non-entities
optimize: cosmetic changes to Trainer, adding an actual hogwild trainer
tutorial: adding a tutorial on parallelism and hyperparameter optimization
app.chain: removing specialized inference from chain model, not worth keeping
tutorial: updating the optimization and learning tutorial
tutorial: fixing the generation scripts
BP: adding BPFactor1Factor3
BP: fix minor mistake