Translate and align SQuAD 1.1 and SQuAD 2.0

[cstorm125]

Both datasets have over 100k questions. Translations will make training sets:

• 1.1 machine translation
• 2.0 machine translation
• 1.1 human translation
• 2.0 human translation

https://rajpurkar.github.io/SQuAD-explorer/