pkgsel: add readline to the Interactivity module as it is needed by lftp

pkgsel.d/Console/interactivity.ask

@@ -1,8 +1,8 @@
 # --- SDE-COPYRIGHT-NOTE-BEGIN ---
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
-# Filename: target/mnemosyne/pkgsel/Console/interactivity.ask
-# Copyright (C) 2008 The OpenSDE Project
+# Filename: target/mnemosyne/pkgsel.d/Console/interactivity.ask
+# Copyright (C) 2008 - 2014 The OpenSDE Project
 # Copyright (C) 2002 - 2006 Alejandro Mery
 #
 # More information can be found in the files COPYING and README.
@@ -19,3 +19,6 @@ X less
 X vim
 X lftp
 X sudo
+
+# needed by lftp
+X readline