Your dear editor-in-chief Martin Austermuhle will be leaving at the end of the month—it’s hard work putting your 104-pound dog on a diet—and we’re happy to announce that Benjamin Freed will be leading the site as the new editor-in-chief. Ben joined DCist in late 2011, after working as a regular contributor to Washington City Paper and freelancing at publications like T: The New York Times Style Magazine and other publications. Besides enjoying Veep and…