Added User-Agent header

Author: Jakub Nesetril

lib/gooddata.js

@@ -26,6 +26,7 @@ Client.prototype.request = function(method, uri, postData, callback) {
         'Host': HOSTNAME
         ,'Accept': 'application/json'
         ,'Content-Type': 'application/json; charset=utf-8'
+        ,'User-Agent': 'gooddata-node/0.0.1'
     };
 
     if (postData) {