CapitalWeather says the weekend’s looking to shape up to be a bit better than the gloominess of today — not that it matters, because all we’re going to see all weekend is the inside of Tysons Corner’s shopping malls. FRIDAY: >> Can you believe Better Than Ezra sold out the 9:30 Club tonight? What is this, 1996? Anyway, if you need a musical hit, make your way over to the George Mason Center for the…