* filesel dialog for launcher command in edit and add dialog
* filesel dialog for new menu filename
* check if all field are filled when adding and creating a new menu
* no more gint response (might cause prbl at compiling under NetBSD)
* (begin of) icon support added
* text in tree formatted
* patch for my_tree_store_swap_up and my_tree_store_swap_down applied
* menueditor.c splitted into more files
* bug in my_tree_store_swap_up and my_tree_store_swap_down leading to
corrupted menu file fixed.
