The import path was added to the go file that included the package
documentation if one existed. Otherwise, I used what seemed to be the
primary file for the package.
Fixes#689
Change-Id: If51be0e86529fd6f179e80af6781e639f8550fd2
They were internal packages (under pkg), which we are now moving to
go4.org, so we in turn need to vendor them in now.
Change-Id: I92224f731404d0bd4ca1c57492bed37cb3367ed4