As if to make up for its brief outage earlier this week, Wikipedia has come back with some big news: the site will soon change in several important ways. It'll change soon, too, with an overhaul of the English-language version of Wikipedia scheduled to start late next month. The rollout is liable to go smoothly. A beta test involving 500,000 users has been taking place, and Wikimedia Commons will act as a further guinea pig starting April 5th,