(Reuters) - European shares edged higher on Thursday, after a brutal sell-off was fuelled by global recessionary fears, but investors were hoping central banks would step in to ease monetary policy and soothe markets. The pan-European STOXX 600 index rose 0.2% by 0710 GMT, gaining some ground after dropping to near six-month lows hit in the previous session.London's FTSE 100 index was the only major index in the red with oil majors leading declines as crude prices slumped. In earnings news,..