TeX and CSS tweaks.

Sync with latest Instiki Trunk
(Updates Rails to 1.2.2)

vendor/rails/actionpack/lib/action_controller/session/active_record_store.rb

@@ -5,6 +5,8 @@ require 'base64'
 
 class CGI
   class Session
+    attr_reader :data
+
     # Return this session's underlying Session instance. Useful for the DB-backed session stores.
     def model
       @dbman.model if @dbman

vendor/rails/actionpack/lib/action_controller/session/drb_store.rb

@@ -26,6 +26,10 @@ class CGI #:nodoc:all
       def delete
         @@session_data.delete(@session_id)
       end
+      
+      def data
+        @@session_data[@session_id]
+      end
     end
   end
 end

vendor/rails/actionpack/lib/action_controller/session/mem_cache_store.rb

@@ -93,6 +93,10 @@ begin
           end
           @session_data = {}
         end
+        
+        def data
+          @session_data
+        end
       end
     end
   end