Rennen_Rig

Fix­es the issue of incor­rect tex­ture reflec­tion on the back side of flower and oth­er block mod­els — now they dis­play prop­er­ly from any view­ing angle.

Replaces the main menu panora­ma with a visu­al­iza­tion of Con­way’s Game of Life, oper­at­ing sep­a­rate­ly in the red, green and blue col­or channels.