A patron of the Coney Island boardwalk bar Ruby’s got sent on a shocking detour during a trip to the men’s room over Memorial Day Weekend. It so happened that Observer reporter Chris Shott was having a beer at the bar around 5:30 Saturday when the owner abruptly pulled the plug on the jukebox and threw everyone out.As the boozy crowd abandoned their beverages and shuffled out, a slew of firefighters, police and paramedics huddled......