* Elliott owns just over 2.5 pct of Pernod (Adds detail and background): PARIS (Reuters) - Activist hedge fund Elliott kept up the pressure on French drinks group Pernod Ricard, stating that while Pernod’s results this week were good, Elliott still wanted more in terms of corporate governance and steps to boost growth. Elliott, which has built a stake of just over 2.5 percent in Pernod, has called on the family-backed group to raise profit margins to bring them more into line with British rival Diageo, and wants better corporate governance at Pernod.