Remove dependency to libsoil:
8a77887375
Add dependency to glm and remove dependency to opengl and libglu,
opengles support was added upstream:
fb1d7ca8bf
Switch license file to LICENSE.md.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>