* Add cross subdomain tracking
* Add cross subdomain tracking
* Enable crossdomain linking
* Move crossdomain code to a better place
* Remove subdomain from site title
* Fix all subdomains parameter
* Be more specific in subdomain tracking description
* Add user ID tracking
* Handle whitespace around user id field
* Exclude some groups from tracking
* Add exmaple groups to exclude from tracking
* Fix whitespace handling in user ID tracking
* Fix null reference on anonymous users
Ryan Boder
Kyle Zhao