Remove extra slash in file name
Build prefixes[] even if there are no namespaces if the user can create_any

Include the empty base namespace so that new page block and wizard can
be used even if no namespaces are defined.
Fix error when $page is not set
Tweaking (bashing with hammer) javascript to work with older IE versions

Basics are working, still no image/file uploads
Fix error when image upload for is not shown
Clean up and remove dead code
Add credits