Matt Ashare is leaving the Boston Phoenix. The Weekly Dig broke the news and seems happy, as, for once, [they're not the ones in the news for alt-weekly staff turnover. Apparently the shakeup happened because the Phoenix's music coverage wasn't keeping on top of the trends. Sam Baltrusis at Loaded Gun notes that things might have gotten a tad crusty over there: "The Phoenix has the exact same editorial lineup it did when I left......