Option to tolerate diacritics

[googol7]

It would be very helpful if an option could be set so that react-typehead would return strings with and without diacritics.

e.g.: The user searches for "Günter"

The result should also include "Gunter":

Günter Gunter Gůnter Gúnter

[googol7]

See: https://github.com/mattyork/fuzzy/issues/39