This is a role that does
git config .... See http://www.kernel.org/pub/software/scm/git-core/docs/git-config.html for details.
Kenichi Ishigaki, <firstname.lastname@example.org>
Copyright (C) 2011 by Kenichi Ishigaki.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.