Revert "make get: powershell script -> simple `go get -v`"
Revert "make get: powershell script -> simple `go get -v`"

This reverts commit d0cd385bd892982e2149bbb86bc832c27f914d6d.

zetamatta/nyagos,nocd5/nyagos,tsuyoshicho/nyagos,tyochiai/nyagos