SXSW festival less than a week before it was scheduled to kick off.For years, as the festival grew from a cool place to see up-and-coming bands into a multinational, multidisciplinary megalodon, it seemed like an unstoppable force. A source of both pride and annoyance for Austinites, it was also a major driver of the local economy, and its once fledgling film festival had turned into a major launching pad for everything from the most avant-garde of American indies to blockbuster studio comedies.