Remove most of the stock API usage from the tests

With the exception of GtkActions and the tests for stock items.

tests/testrecentchooser.c

@@ -132,8 +132,8 @@ main (int   argc,
 			 NULL);
   gtk_window_set_title (GTK_WINDOW (dialog), "Select a file");
   gtk_dialog_add_buttons (GTK_DIALOG (dialog),
-		  	  GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-			  GTK_STOCK_OPEN, GTK_RESPONSE_OK,
+		  	  "_Cancel", GTK_RESPONSE_CANCEL,
+			  "_Open", GTK_RESPONSE_OK,
 			  NULL);
   
   gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);