* src/GNOME_Gnumeric.xml: Remove FileImport.

* src/gui-file.h (gui_file_import): Remove.

* src/gui-file.c (make_format_chooser): Include an "Automatically
detected" menu item for NULL in file opener/saver list.
(gui_file_open, gui_file_import): Merge into one function, named
gui_file_open. Default to automatically detecting format.

* src/workbook-control-gui.c (cb_file_import): Remove.
(workbook_menu_file[]): Remove cb_file_import.
(verbs[]): Remove FileImport.

* NEWS: Brag

* BUGS: Update