@todo 
  Create a number count field in heartbeatActivity object so we know how many
  comments there are.

@todo 
  When an activity message is deleted, delete its comments. We may need a hook 
  here for the submodule to hook into the save/delete actions.
  
@todo 
  Provide a possibility to theme the reaction box above or beneath the 
  comment list. Currently beneath vs facebook.
    
@todo 
  Integrate flag_friend within the friendlist submodule.

@todo 
  Create personal pages (as with blocks). Recheck block configuration. 
  Or from issue queue: Make pages for a viewed user per stream type 
  
@todo 
  Make views private / personal example at the demo site mentioned above