Made the form bomb when there's a validation error in a hidden element, because these errors are very hard to find, and cause the form to just go back in the face of the user over and over again. Better to bomb and make it explicit.
1. Folder chunk doesn't belong here, nor (hopefully) is it referenced2. Took advantage of the new resources directory, we now have perm check free files3. Changed the master template to use the real logo when the user's not logged in because of #2
Try again ... screwed up last time ... now we have our small graphics filesin the new resources directory, which isn't permission-checked by the requestprocessor.
In pa_context_bar_list, instead of returning nothing when we are in the root folder, we return [list $final]. Otherwise, you get an incomplete context bar in the root folder.
