Cynthia Littleton Business EditorYellowbrick, the New York-based online education platform that focuses on developing training and certification programs for careers in arts, entertainment, media and sports, has acquired the Animation Mentor platform that targets animation-specific instruction.Yellowbrick has also landed a seven-figure investment from Sony Innovation Fund by IGV, a venture capital fund led by Sony and others to help launch mid- to late-stage startup firms focusing on services