Resolve IDN domains

[GLobyNew]

Should fix #52

Two changes has been made:

1. I moved domain normalizer to be in resolver package.
2. And in the same resolver i've added IDNA profile, which has method to return ASCII version of domain.

Now if I run quien on IDN domain it should give proper information:

./quien dns zwick.ελ
{
  "A": [
    "216.198.79.1"
  ],
  "AAAA": null,
  "CNAME": null,
  "HTTPS": null,
  "MX": [
    {
      "Host": "spool.mail.gandi.net",
      "Priority": 10
    },
    {
      "Host": "fb.mail.gandi.net",
      "Priority": 50
    }
  ],
  "NS": [
    "ns-175-a.gandi.net",
    "ns-207-c.gandi.net",
    "ns-23-b.gandi.net"
  ],
  "TXT": [
    "v=spf1 include:_mailcust.gandi.net ?all"
  ],
  "PTR": null,
  "SOA": {
    "PrimaryNS": "ns1.gandi.net",
    "AdminEmail": "hostmaster@gandi.net",
    "Serial": 1781136000,
    "Refresh": 10800,
    "Retry": 3600,
    "Expire": 604800,
    "MinTTL": 10800
  },
  "DNSSEC": false
}

---

./quien dns моревдуше.рф
{
  "A": [
    "31.31.196.17"
  ],
  "AAAA": [
    "2a00:f940:2:2:1:1:0:256"
  ],
  "CNAME": null,
  "HTTPS": null,
  "MX": null,
  "NS": [
    "ns1.hosting.reg.ru",
    "ns2.hosting.reg.ru"
  ],
  "TXT": null,
  "PTR": [
    {
      "IP": "31.31.196.17",
      "Hostname": "server256.hosting.reg.ru"
    }
  ],
  "SOA": {
    "PrimaryNS": "server256.hosting.reg.ru",
    "AdminEmail": "support@reg.ru",
    "Serial": 2026021117,
    "Refresh": 10800,
    "Retry": 3600,
    "Expire": 604800,
    "MinTTL": 86400
  },
  "DNSSEC": false
}