title: joomla user registered through CB is not assigned to k2 user group
body: <p>In one of my joomla 2.5 site i am using community builder registration form.When registration completed by user who clicked confirmation link in email, the user is not assigned to k2 user group.</p>
  
  <p>I set that k2 user group in k2<br>
  <code>parameters-&gt;advanced setting-&gt;Select the default K2 User Group for new registrations</code><br>
  dropdown so that new registered user will be assigned to that group.</p>
  
  <p>But it's not working.I have all required plugins enabled while i was searching through google.com for solution</p>
  
  <p>Any solutions and suggestions from experts are welcome.</p>