Started to implement the audit log feature.

Pass PINENTRY_USER_DATA and XAUTHORITY to Pinentry.
Improved support for the quality bar.
Minor internal restructuring.
Translation fixes.

g10/skclist.c

@@ -27,7 +27,7 @@
 #include "gpg.h"
 #include "options.h"
 #include "packet.h"
-#include "errors.h"
+#include "status.h"
 #include "keydb.h"
 #include "util.h"
 #include "i18n.h"