At Woodstock, fashion was on display as much as music and free love were in the air. Stage acts like Jimi Hendrix, Janis Joplin, Joe Cocker, and Ritchie Havens strutted their bohemian stuff, but the looks on display in the crowd were even more distinctive and outrageous. Woodstock fashion and hippie chic included tie dye, fringe, beads, headbands, dashikis, bikini tops, macrame, crochet, and jeans -- all good for a costume party or Halloween here in the 21st century. Meanwhile, plenty of…