util: added FileUtils containing method that returns a list of file names given a directory
util: added FileUtils containing method that returns a list of file names given a directory

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