changed tracker model
changed tracker model

crownsocial/twitter-mafia,piket/twitter-mafia,piket/twitter-mafia,crownsocial/twitter-mafia,crownsocial/twitter-mafia,crownsocial/twitter-mafia,nguyenalexander/twitter-analytics,nguyenalexander/twitter-analytics,piket/twitter-mafia,nguyenalexander/twitter-analytics,piket/twitter-mafia,nguyenalexander/twitter-analytics