CHG: Cleaned up edit.php a bit, moved lots of things into separate functions.
Also merged multilingual_fields.php back in there; it would be nicer to move
most of this into a edit_fields.php include instead.
However, due to the edit_fields/ pages, I did not do that just yet.


git-svn-id: http://svn.montala.net/svn/resourcespace@4736 c08608d7-6e46-0410-86ca-f2a6f1370df5