patches-applied historical imports (usd import)

[Robie Basak]

Hi Ian,

On Mon, Jan 09, 2017 at 01:45:52PM +0000, Ian Jackson wrote:
> Ideally you and I could agree on a commit structure for the imported
> packages, and metadata processing rules, so that the commits are
> identical (not just the trees).

By "commits are identical", are you including parent commit hashes? Or
just everything else?

Robie