GitLab

* Commit log shows many commints fixing sse e.g. [1-3]. Instead of creating a
  heavy patch series here let's move to the latest version tagged.
* License file 'copying.txt' was removed in [4]. License information is now
  found in 'readme.md'. License is still MIT.

[1] https://github.com/g-truc/glm/commit/8bcf9b5ae791fce37a86764b8acfd68424ac544b
[2] https://github.com/g-truc/glm/commit/1bbf2dafb9f67b14507dc37e4ee885464c5ffc78
[3] https://github.com/g-truc/glm/commit/fdfd03ffaf0e312ce0bab604982f50790e71b09f
[4] https://github.com/g-truc/glm/commit/a23911a5e9d8c631023c62be6f0cf0bf855ca482

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
[Fixed rocko compile issues]
Signed-off-by: Armin Kuster <akuster808@gmail.com>