reorg of javascript, no longer need to_json in gg gem

Author: dsjoerg

lib/esdb/match.rb

@@ -40,7 +40,7 @@ def chart_data(measure, smoothing_window)
          :color => "#" + entity["color"],
          :team => entity["team"],
         }
-      }.to_json
+      }
     end
   end
 end