Australia represent! South African-born Australian singer, songwriter, actor and YouTuber, Troye Sivan, set the crowd alight last night at Pandora House on 6th St, to close out a wonderful week at SXSW. Photo credit: Dan Wilkinson (Hot & Delicious: Rocks The Planet). Download the Hot & Delicious: Rocks The Planet! podcast via iTunes. Hot & Delicious: Rocks…