v0.11.4 ocio: python script to build config

Changelog

(This is a developer update, you MIGHT upgrade but it is not benefitial)

Changed

• ocio: The config is now built with a python script instead of manually edited in place.
• python.AgXLib: default values for arguments in get_reshaped_colorspace_matrix

---

• refacto(ocio): build config with python script by @MrLixm in #34

Full Changelog: v0.11.3...v0.11.4