Add Conan support for binary dependencies

[antirotor]

What is Conan and how it would help us

Conan is a dependency and package manager for C and C++ languages, It takes care of pulling in necessary dependencies based on build options. It can help us build tools we need in consistent and clean way,

Available recipes

There are already exisiting recipes for OpenImageIO, OpenColorIO and ffmpeg.

[cuID:OP-3653]