The fourth annual Krampuslauf at Gallery O on H includes a Krampus Parade down H Street NE, a gallery opening and an after-party. Image by Phil Hutinet for East City Art. Friday, December 4   Wohlfarth Galleries — 5 p.m. to 8 p.m. Wohlfarth Galleries presents the works of six artists: Mario Abbatepaolo, Lisa Farrell,…