=item C<assocdb_path>
Path to the sqlite3 database used for CAF's session storage. The
-default is currently C<caf-assocs.db> but will change in the future.
+default is C<caf.db>.
Used only if neither C<assocdb_dbh> or C<assocdb_dsn> are supplied.
xxx bugs wrong default random on Linux
xxx bugs wrong default random on *BSD
xxx bugs keys not shared should be in db
-xxx rename caf-assocs.db
xxx rename caf_assocsecret default cookie name
xxx mention relationship between login_timeout and cookies
xxx rename assocdb settings to db