Added script to get working configure, etc.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@845 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

autogen.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+# Generate configure & friends for CVS users.
+
+aclocal
+automake --add-missing
+autoheader
+autoconf