fix typos and English in comments
fix typos and English in comments

juliakreutzer/bandit-neuralmonkey,bastings/neuralmonkey,bastings/neuralmonkey,ufal/neuralmonkey,bastings/neuralmonkey,ufal/neuralmonkey,ufal/neuralmonkey,bastings/neuralmonkey,juliakreutzer/bandit-neuralmonkey,bastings/neuralmonkey,juliakreutzer/bandit-neuralmonkey,ufal/neuralmonkey,ufal/neuralmonkey,juliakreutzer/bandit-neuralmonkey,juliakreutzer/bandit-neuralmonkey