Photo (Duke Athletics): Right tackle John Gelotte blocks for Gunnar Holmberg. Visit my website homepage, TomShanahan.Report By TOM SHANAHAN DURHAM – Duke football needed something to jump start its home opener. Heck, Blue Devils needed a jump start to their season against a second straight pesky non-Power 5 opponent. First there was an onside kick that the quarterback Gunnar Holmberg converted into a second straight touchdown drive for a 14-7 lead. The recovery and score sparked a 45-17…