How to Redirect New User to Edit Profile After Registration?


  How to redirect new user to edit his profile and/or invite friend right after registration but before email activation?  Is there such plugin exist?  Maybe I can combine multiple plugins to do this?  If not, is there a simple way to do it? 

In my site, a lot of new users just register and activate, but they don't fill out the profile or invite friends after that.  I want to encourage them to do those things. 

I am using elgg 1.7.1.