- Use a temporary file path within the package build directory to avoid
   cluttering the host systems `/tmp` directory.

 - Switch to a gzipped, snapshotted copy of the `oui.txt` file since the
   upstream IEEE server is extremely slow, also fetching an unversioned HTTP
   resource during compilation breaks reproducable builds.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
[rework to use standard download facility]
Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

- update to latest version (v1.1.2)
 - add license info
 - add myself as maintainer

Signed-off-by: Nicolas Thill <nico@openwrt.org>