{
	"dsn": "user:pass@localhost/hpkp",
	"bindaddr": "127.0.0.1:8080"
}

{
	"dsn": "hpkp:abcd@/hpkp",
	"bindaddr": "127.0.0.1:8080"
}

Update default user:pass for mysql.
Update default user:pass for mysql.

- match README.
