鈥淚t was heaven on earth.鈥 That鈥檚 how Reggie Dickerson (photo, left) describes growing up in San Francisco鈥檚 tight-knit Fillmore community. 鈥淓veryone lived in big Victorians. I used to roller skate in my bedroom,鈥 remembers Reggie. Having always been an artist at heart, Reggie turned avocation into vocation by becoming a street entertainer — on roller…