Bostonist Pick: Ballermore Has Arrived .::. Shake 'Em Down @ Milky Way (Thurs) Bostonist has some good news for you: this is going to be an easy weekend on the liver. The bad news is that your two days of drinking, dancing and staying up into the wee New England-established hours begins tonight. There are two main events invading our city on the 4th, and first up is Shake 'Em Down, a dance party......