Deterministic position of human body

[martinschonger]

For development purposes, it would be helpful to somehow deterministically control the position of the human body, e.g. either directly or by setting some random seed. I'm aware of #127, but still, maybe a dedicated 'dev executable' would be an option? It was already pointed out to me that the desired functionality exists (cf. here), but is disabled in the current executable (for good reason!).

Also linking #125 (reply in thread), since there the idea of a dedicated executable for training/dev is mentioned as well.

[thisjustin123]

I'll add the ability to fix the randomization as a documented issue / feature request (#139). I'm focusing on joint velocity right now but will try to get to it soon!

[thisjustin123]

#141