add a lock icon for https request

lib/recorder.js

@@ -115,6 +115,7 @@ function normalizeInfo(id,info){
     singleRecord.reqHeader = info.req.headers;
     singleRecord.startTime = info.startTime;
     singleRecord.reqBody   = info.reqBody || "";
+    singleRecord.protocol  = info.protocol;
 
     //res
     if(info.endTime){

lib/requestHandler.js

@@ -31,6 +31,7 @@ function userRequestHandler(req,userRes){
         host      : host,
         method    : req.method,
         path      : path,
+        protocol  : protocol,
         url       : protocol + "://" + host + path,
         req       : req,
         startTime : new Date().getTime()