Hugh Jackman's own rejuvenating life force saves the indisputedly bogus, bathetic musical biography of Australian songwriter Peter Allen.Linked From The New York Times Subscription at 12:00AMNot the Boy Next Door by Ken MandelbaumLinked From Broadway.com at 12:00AMHugh Jackman can not Save 'Boy From Oz' by MICHAEL KUCHWARA, AP Drama CriticIn the end, The Boy From Oz is a show filled with aimless e