Think Austin’s trendiness is waning? Get over it! Austin welcomes yet another move from California this time in the form of ESPN’s Summer X-Games. With the first event scheduled for May 15-18 in 2014, and another three years to follow, the alternative sports festival is primed to showcase the best of Austin to millions around the country. Considering the Winter X-Games 2012 brought in 35.4 million viewers (Transworld Business), the move to a new city  for the massively more popular Summer X-Games is sure to challenge if not easily exceed those ratings.  Add that to the massive worldwide television ratings coming from last year’s inaugural F1 United States Grand Prix…