* Messi hits double in 4-2 victory * Atletico keep pace with Barca with win * Ronaldo helps Real to 2-1 win at Levante * Valencia draw, Bilbao hold on for victory (Adds Real-Levante result) MADRID, Nov 11 (Reuters) - Barcelona extended their near-perfect start thanks to another Lionel Messi double but again suffered the defensive lapses that have plagued them this season in a nervy 4-2 La Liga win at Real Mallorca on Sunday. ... More...