adds generated layouts

[bmielnicki]

Adds the possibility to pick from layouts list "complicated_random_room" and "simple_random_room". Now when loading layout it first check if there is a .json file with mdp_gen_params inside static/layout_generation_params and if it is found use it to generate layout. If there is no .json file it searches for .layout file like before.

[mesutyang97]

I identified the issue loading the generated layouts, and made the fix. We still need to fix up the dependency but the branch is good to go.