Move all game objects manipulations to the separated class(es)

[borbit]

All those code should be at lest in gameLoop for now

[borbit]

Closed by 76668d5 issue. Deleted renderLoop as unnecessary. Changed renderers logic.

[borbit]

I moved all this staff to separated classes and named them "Updaters". "Updaters" is a temporary name until we get a proper one. Weighty part (including "Updaters") of game architecture needs to be reviewed and changed to the proper way.