Install fails with golang 1.7 (windows)

[arnos]

Relates to #28 ? --> tried setting the GO15VENDOREXPERIMENT got the same result.

tested win 10 home/pro

`D:>go version
go version go1.7.3 windows/amd64

D:>go get github.com/jingweno/nut
package github.com/jingweno/nut
imports github.com/jingweno/nut/vendor/_nuts/github.com/BurntSushi/toml: must be imported as _nuts/github.com/BurntSushi/toml
package github.com/jingweno/nut
imports github.com/jingweno/nut/vendor/_nuts/github.com/codegangsta/cli: must be imported as _nuts/github.com/codegangsta/cli
package github.com/jingweno/nut
imports github.com/jingweno/nut/vendor/_nuts/golang.org/x/tools/go/vcs: must be imported as _nuts/golang.org/x/tools/go/vcs`