- Disable insert/delete row/column that would split an array-formula

- Enable cut/copy/paste for array formulas.
- Fix multi-line cell drawing & whitespace issues.
- Change the default column width & grid colour to more closely match XL
- Add the edit popup menu in the row/col headers
- Short circuit the insert/delete dialogs to directly insert/delete when
  an entire row/column is selected.

svn path=/trunk/; revision=1023

widgets/misc/e-colors.c

@@ -65,7 +65,7 @@ color_init (void)
 	gdk_color_white (colormap, &gs_white);
 	gdk_color_black (colormap, &gs_black);
 
-	color_alloc_name ("gray60", &gs_light_gray);
+	color_alloc_name ("gray78", &gs_light_gray);
 	color_alloc_name ("gray20", &gs_dark_gray);
 	color_alloc_name ("red",   &gs_red);