Update bucket and cloudfront

Signed-off-by: Andrei Dinin <adinin@pivotal.io>
Clean publish-boxes

Signed-off-by: Andrei Dinin <adinin@pivotal.io>
Move promotion to seperate script

Signed-off-by: Andrei Dinin <adinin@pivotal.io>
WIP

Signed-off-by: Andrei Dinin <adinin@pivotal.io>