report req route path in transation

@@ -169,9 +169,13 @@ function groupTransactions (transactions) {
     var durations = groups[key].map(function (trans) {
       return trans.duration()
     })
+
+    var route = trans.req.route ? trans.req.route.path : '';
+
     return {
       transaction: trans.name,
       data: trans.req ? (trans.req.query || trans.req.body) : {},
+      route: route,
       method: trans.req ? trans.req.method : '',
       path: trans.req ? trans.req.path : '',
       uuid: trans._uuid,