Changed disqus filter to a function
Allow setting single-sign-on to disabled
Renamed SingleSignOn to DisqusConfiguration
Refactor by adding shortname to the configuration class
SingleSignOn snippet moved to thread template
Enable Single Sign On
Renamed DisqusConfiguration to Disqus
Generate the proper hash for single sign on
Refactor by applying extract class to Disqus
Removed method duplication by applying extract class on test cases
Added documentation about single sign-on