Contributing: Specify use of MIT Expat for new code files
Contributing: Specify use of MIT Expat for new code files

Signed-off-by: Bryce Harrington <bdb14cfc1ab8d24e13de84adc40b41ae60c13bd1@osg.samsung.com>
Reviewed-by: Pekka Paalanen <0f6ae7001e34c37b02fb2c1c2573ddf8f442136a@collabora.co.uk>

bitfactor/wayland,bitfactor/wayland,sir-murray/wayland,tulcod/wayland,abooij/wayland,mchalupa/wayland,abooij/wayland,abooij/wayland,tulcod/wayland,mchalupa/wayland,mchalupa/wayland,eyolfson/wayland,tulcod/wayland,bitfactor/wayland,sir-murray/wayland,sir-murray/wayland,eyolfson/wayland,eyolfson/wayland