John Hopewell Chief International CorrespondentCarlos Saldanha, director of “Ice Age,” “Ice Age: The Meltdown” and “Rio,” is set to direct his first live-action feature, “100 Days,” for ambitious new Brazilian shingle Ventre Studio and Buena Vista Intl.-Disney.Created as a theatrical feature, “100 Days,” an adventure drama for family audiences, is inspired by the extraordinary but true story of Brazilian Amyr Klink, who in 1984 at the age of 29, became the first person to cross the South