Julia, a two-and-half year old paints while Johnny Murphy, I Dream of Johnny, looks on. Her painting was photographed and could be turned into wearable art.   ArtBeast children's studio partnered with Sacramento based online retailer Retail Therapy and Johnny Murphy I Dream of Johnny   for an afternoon event, "Where Art meets Fashion", as a fundraiser for the Tubman House, a nonprofit organization serving young homeless parents and their children. It was like a big art party full of paints, colored pens and a large canvas wall. Murphy demonstrated how he has turned art into fashion and worked with children individually to share his vision-turned-clothing.   This young artist wears a