Update go-bindata repo name and URL

[danielparks]

jteeuwen/go-bindata → go-bindata/go-bindata

[coveralls]

Pull Request Test Coverage Report for Build 275

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 59.188%

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Totals
Change from base Build 274:	0.0%
Covered Lines:	773
Relevant Lines:	1306

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💛 - Coveralls

[dhui]

Dependencies (managed by dep for Go 1.10.x and Go modules for Go 1.11.x) need to be updated as well. Have you verified that the fork hasn't introduced a backwards incompatible change?

[dhui]

Are any forks of go-bindata actively maintained? go-bindata/go-bindata#16

A list of forks was being tracked here: a-urth/go-bindata#1
But that repo is now archived, so that issue won't be updated anymore...

The whole go-bindata pkg forks has been kind of a mess...
gofrs/help-requests#7
At a cursory look, this fork seems to be more actively maintained than the others: https://github.com/kevinburke/go-bindata

Since the future of go-bindata is unclear, I'm not sure what value is added by updating the go-bindata dependency in migrate.
I think a better approach for migrate would be to clean up this PR to support multiple bin packers and for users to migrate (on their own time-frame) to a different bin packer that's actively maintained.

[danielparks]

Eh. Seems reasonable. I'm not going to be able to test this for quite some time.