PoverUp, which launched in April 2011, was named one of Inc. Magazine’s “11 Coolest College Startups,” and founder Charlie Javice, who is 19, was one of Fast Company’s “100 Most Creative People in Business 2011.” Javice, a student at The Wharton School, University of Pennsylvania, spoke with Knowledge@Wharton High School editor Diana Drake about building an online network that lets socially minded students learn, connect and invest in microfinance. …