Update fastText vectors example (see #1525)
Update fastText vectors example (see #1525)

Add option to specify language, and add note on "lang" being required to save out model

spacy-io/spaCy,explosion/spaCy,aikramer2/spaCy,explosion/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,recognai/spaCy,explosion/spaCy,aikramer2/spaCy,honnibal/spaCy,aikramer2/spaCy,honnibal/spaCy,honnibal/spaCy,spacy-io/spaCy,aikramer2/spaCy,aikramer2/spaCy,recognai/spaCy,recognai/spaCy,recognai/spaCy,explosion/spaCy,spacy-io/spaCy,explosion/spaCy,aikramer2/spaCy,honnibal/spaCy,recognai/spaCy,recognai/spaCy,spacy-io/spaCy