fix relative path to scaladocs from tutorial pages
fix relative path to scaladocs from tutorial pages

melisabok/factorie,joprice/factorie,hlin117/factorie,zxsted/factorie,malcolmgreaves/factorie,Craigacp/factorie,strubell/factorie,pogren-oracle/factorie,factorie/factorie,patverga/factorie,digitalreasoning/factorie-scala-210,asubbaswamy/factorie