* fill in sid and sc
* fix logout
* cascade member removal
* fix links
* trim suffix from signature
* fix /sse/login link
* fix sse links and filenames
* fix logout
* fix typos
* fix test compilation
* fix bridge test
* correct alias url test
* add some comments
* fix potentiall "can't send" deadlock on bridge
some documentation and license headers
Notices are pages that admins can fill with their content to describe
and customize the room.
Pinned notices are common notices that each room has. Like a description
and privacy policy.
* update models
* simple crud test for basic notices
* edit and save notices as admin