http://en.wikipedia.org/wiki/JavaScript#Birth_at_Netscape
Edit: It seems it is intentional:
"LiveScript was one of the original names for JavaScript, so it seemed fitting. It's an inside joke for those who know JavaScript well."
http://livescript.net/#name
Though, I'm one of the ones who had the same kind of problem when Mozilla named their new browser Firebird (before becoming Firefox).
http://en.wikipedia.org/wiki/JavaScript#Birth_at_Netscape
Edit: It seems it is intentional:
"LiveScript was one of the original names for JavaScript, so it seemed fitting. It's an inside joke for those who know JavaScript well."
http://livescript.net/#name