Step 8 - Using the new $rootScope.currentUser
Step 9 - Privacy and publish-subscribe functions
Step 9 - Add publish to users collection
Step 9 - Moving the users list to party details
Step 9 - Add publish to users collection
Step 9 - Moving the users list to party details
Step 10 - Using and creating AngularJS filters
Step 10 - Add displayName filter
Step 10 - Add creator name to parties list
Step 10 - Add null check for displayName filter
Step 10 - Use getUserById function
Step 10 - Update text