title: Account.createUser call back is not working in meteorjs
body: <p>I am developing an app with meteor js. I have created one meteor method for creating user. It's showing me following error:-</p>
  
  <p>Accounts.createUser with callback not supported on the server yet.</p>
  
  <p>here is my meteor method</p>
  
  <p>how can i add callback in account.createUser?</p>
  
  <pre><code>Meteor.startup(function () {
      Meteor.methods({
          postForm:function(doc){
              var result = Accounts.createUser({
                  username: doc.username,
                  password: doc.password,
                  email: doc.emails,
                  profile: {
                      lastname: doc.lastname,
                      contact:doc.phoneNumber,
                      bdat:doc.bod,
                      address:doc.address
                  }
              },function(){
                  console.log('hello');
              });
          }
      });
  });
  </code></pre>