AUSTIN — An Austin federal jury has convicted John Stuart Robison, 63, of wire fraud and money laundering after prosecutors said he persuaded an investor to wire $1 million for a proposed land project benefiting the University of Austin, then spent the money for his own benefit. According to the U.S. Attorney's Office, Robison told the investor the money would remain in escrow until he raised an additional $1 million. Instead, prosecutors said t…