Fix rbt patch when applying patches from users with private profiles.

Review Request #10314 — Created Nov. 8, 2018 and submitted — Latest diff uploaded

Information

RBTools
release-1.0.x
6e6f9f6...

Reviewers

If a user has marked their profile private, their full name and e-mail
address will be stripped from the API payloads. This would cause
rbt patch -c/-C to fail with an AttributeError when attempting to
create the commit.

This change fixes it so we create the commit as the running user.

Applied a patch from a user who had marked their profile private.