Update README.md replacing Collusion for Lightbeam
Update README.md replacing Collusion for Lightbeam

The only place I didn't feel like to change was on the license part sayin: "The Original Code is collusion."

I can change that too if you want.
Valenchak/lightbeam,Valenchak/lightbeam,mozilla/lightbeam,mozilla/lightbeam,mozilla/lightbeam,Valenchak/lightbeam