SSH 2 support, phase 1, debugging. Currently does Diffie-Hellman and gets

the same results as the server, which is a pretty good start.

[originally from svn r569]

sshdss.c

@@ -0,0 +1,5 @@
+#include "ssh.h"
+
+struct ssh_hostkey ssh_dss = {
+    "ssh-dss"
+};