use fork of go-bindata

[mattn]

See https://twitter.com/francesc/status/961249107020001280 If you feel distrust for the new one. But you may have distrust about me too. :-)

[mfindlater]

Best case scenario might be for the new maintainer to convert the repository to read only as suggested here: jteeuwen#5.

If nothing is done there, I do trust you though 😄