* fix_scrollbar_bug is now a class instead of an id. Fixes validator warnings.

* fix_scrollbar_bug is now a class instead of an id.  Fixes validator warnings.
* Corrected bad html generated when there's only one message in a summary view.
* Retain both login name and display name (fullname) in session structure.
  This fixes chat window authentication when connecting to a Citadel server
  using host based authentication.