Corrections and Post Credit Scene — The Tau Ceti Terminus Steam update #253446

This update corrects bugs, lays groundwork for more hand positions, and adds a post credit scene. Bug Fixes: Fixed bug where "Reds" spawning was not curtailed when portal "becomes" in-active. "Double" vision due to fog fixed in TC cut scene. Updates: Removed Vive controller diagram in help. Added detail to Tau Ceti system poster. Hints button disabled on controller menu for hard level. Refactored hand model code, added minor second grip position for hand. Improved backpack attach and detach to avoid minor glitches. Added post credit scene.