BACKLOG-822 Added support for multiple single logout services although this is not yet used in serviceregistry it makes code more similar to single sign on service related code
BACKLOG-1012 Fixed overriding single sign on binding
BACKLOG-822 Gave reference var a more specific name to prepare for overriding single logout service
BACKLOG-822 Added support for generating single logout url
BACKLOG-822 Added default entry for single logout service to make sure location in metadata is correct
BACKLOG-822 Single logout service is now overridden for every idp