2002-06-21  Andreas J. Guelzow <aguelzow@taliesin.ca>

	* src/application.h (gnumeric_application_get_app) : new
	* src/application.c (gnumeric_application_get_app) : new
	(application_clipboard_clear) : emit "clipboard_modified" rather than
	  calling wb_control_menu_state_update on each control
	(application_clipboard_cut_copy) : ditto
	* src/libgnumeric.c (gnm_common_init) : remove debug spew, no need
	  to keep an app pointer
	(gnm_shutdown) : use gnumeric_application_get_app rather than a static
	  app pointer
	* src/workbook-control-priv.h : new clipboard_changed_signal field in
	  WorkbookControl
	* src/workbook-control.c (cb_wbc_clipboard_modified) : new
	(wbc_finalize) : disconnect signal handler
	(workbook_control_init) : new