Fix warning

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Far superior make build system

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Update .gitignore

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Add release.nix for Hydra

Signed-off-by: Austin Seipp <aseipp@pobox.com>