By Fayen Wong SINGAPORE, Aug 8 (Reuters) - Some 6,000 people turned out for the start of a three-day gay and lesbian festival in Singapore - where homosexual acts are still illegal - making it Asia's largest gay event, its organisers said on Sunday. "Nation.04" - a festival of international DJs, podium dancers, pumping music and muscular boys stripping off their tops on packed dancefloors - has increased in size every year since it was launched four years ago, said organiser Stuart Koe. "Last night's turnout was really higher than expected," he told Reuters. About half the 6,000 were foreigners...