(Adds details, quotes) * Top pick Davis gets 15 points, 16 rebounds * Warriors off to best start since 1991-92 Dec 18 (Reuters) - The Golden State Warriors staved off a late fourth-quarter challenge to beat New Orleans Hornets 103-96 for a successful home return on Tuesday. David Lee had 26 points and nine rebounds while Klay Thompson added 19 points as the Warriors triumphed in their first game ...