add support for client-id on connect

Signed-off-by: Joshua Rubin <jrubin@zvelo.com>

Author: Joshua Rubin

lib/stomp.js

@@ -118,12 +118,16 @@ function _connect(stomp) {
 function _setupListeners(stomp) {
     function _connected() {
         log.debug('Connected to socket');
+        var headers = {};
         if (utils.really_defined(stomp.login) &&
             utils.really_defined(stomp.passcode)) {
-            stomp_connect(stomp, {login: stomp.login, passcode: stomp.passcode});
-        } else {
-            stomp_connect(stomp);
+            headers.login = stomp.login;
+            headers.passcode = stomp.passcode;
         }
+        if (utils.really_defined(stomp["client-id"])) {
+            headers["client-id"] = stomp["client-id"];
+        }
+        stomp_connect(stomp, headers);
     }
 
     var socket = stomp.socket;
@@ -236,15 +240,15 @@ function Stomp(args) {
     this.ssl = args['ssl'] ? true : false;
     this.ssl_validate = args['ssl_validate'] ? true : false;
     this.ssl_options = args['ssl_options'] || {};
+    this['client-id'] = args['client-id'] || null;
 };
 
 Stomp.prototype = new process.EventEmitter();
 
 /**
  * Begin connection
- * @param {Object} optional headers
  */
-Stomp.prototype.connect = function(headers) {
+Stomp.prototype.connect = function() {
     var self = this;
     _connect(self);
 };