Ten years after Ed Renollet opened Cafe Ambrosia on Ann Arbor’s Maynard Street, he’s decided to expand his downtown footprint with a new store. Elixir Vitae coffee shop opened on East Liberty Street in downtown Ann Arbor on Monday. Renollet opened his second cafe on Monday in the former Organic Blissspace at 117 E. Liberty St. As part of the move, he also changed the cafe names from Cafe Ambrosia to Elixir Vitae Coffee and Tea. “I knew years ago if we ever expanded, we should probably do this since there are many…