FRIDAY: >> We’d be remiss if we didn’t note that tonight will be the last time that Kathryn of Kathryn On will host one of her famous Blogger Happy Hours. It starts at 7 p.m. at Lucky Bar. Fans of the regular happy hour shouldn’t fear, however, as Kathryn says she has “a couple of fledgling social chairs waiting in the wings.” Thanks for all the hard work you’ve put in, Kathryn, to making the…