Change default cipher in smime app to des3.

PR#3357
(cherry picked from commit ca3ffd9670f2b589bf8cc04923f953e06d6fbc58)

Conflicts:

	doc/apps/smime.pod
Fix for PKCS12_create if no-rc2 specified.

Use triple DES for certificate encryption if no-rc2 is
specified.

PR#3357
(cherry picked from commit 03b5b78c09fb10839a565f341cdc527c675e89ce)
Fix for non compilation with TLS_DEBUG defined
Fixed error in args for SSL_set_msg_callback and SSL_set_msg_callback_arg