Change the ssl related variables to loose so they work also when the server is compiled without ssl 

 - Add test case which runs the same tests as ssl.test but with a different DES encrypted key 


mysql-test/std_data/server-key-des.pem:
  BitKeeper file /home/msvensson/mysql/bug21868/my50-bug21868/mysql-test/std_data/server-key-des.pem
mysql-test/std_data/server-cert-des.pem:
  BitKeeper file /home/msvensson/mysql/bug21868/my50-bug21868/mysql-test/std_data/server-cert-des.pem
mysql-test/r/ssl_des.result:
  New BitKeeper file ``mysql-test/r/ssl_des.result''
mysql-test/t/ssl_des-master.opt:
  New BitKeeper file ``mysql-test/t/ssl_des-master.opt''
mysql-test/t/ssl_des.test:
  New BitKeeper file ``mysql-test/t/ssl_des.test''