Over a year after my visit to Moustache Brewing Co. for the NYCR, Matt and Lauri Spitz are ready to open their doors to the public. It may seem like a long time to wait for beer, but alas, the tired and thirsty masses will be quenched this Saturday. After years of toiling with permits, renovations and working full-time jobs, the undertaking of the Spitzs is about to pay off. Tomorrow, April 19 from 1-6 p.m. , Moustache will be offering growlers, half growlers, pints, and short pours of their One Drop Pale Ale, Everyman’s Porter, and Milk & Honey Brown Ale. In…