The future of a roughly 10-acre former rail yard between East Fourth and East Fifth Streets will emerge as part of East Austin's "new normal" within a few short months. Formerly known as Plaza Saltillo after its nearby MetroRail station, but now shortened to the snappier and slightly less confusing Saltillo, this ambitious project by local developers Endeavor Real Estate Group is best described with many hyphens -- master-planned, transit-oriented, mixed-use . . .