Change MANIFEST.in to recursive-include the contrib/ folder.
# HG changeset patch
# User Andrew Thompson <andrewkt@aktzero.com>
# Node ID e5dc09266c217bc50b91d710a045c679411e4727
# Parent c55df1c38618035c8e94e7af025e2b7f38f6d743
Change MANIFEST.in to recursive-include the contrib/ folder.
Now sdist picks up git-viz again.
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -7,7 +7,7 @@ include *.txt
include templates/map templates/map-*[a-z]
include templates/*.tmpl
include doc/README doc/*.txt
-include contrib/*
+recursive-include contrib *
include README
include CONTRIBUTORS
include COPYING