gitignore vim .swp files

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
outRepo: beginnings of a meaningful instantiation process

I think I've decided to switch to python dulwich.  So
even though it's a bit of a mess (incl. some untested code),
here's a snapshot of my WIP code before that switch.

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>