Extensive changes to the Shibboleth Options page, including tabs
Removing older deprecated content
Adding various site options to support new functionality
Adding the beginnings of the ability to disable local authentication
Added migrating of old default data
Added logic to handle accounts that share username and/or email
Added options to control account merging
Added additional error handling for account creation
Added the ability to customize the "Login with Shibboleth" button

More to come, including additional button customizations, finalizing the ability to disable local auth, and more