Connection profiles

[benschwarz]

Support parsing a file with this format and a specific profile name, as well as taking the param options directly.

[
  {
    "title": "GPRS",
    "download": 6400,
    "upload": 2560,
    "latency": 500
  },
  {
    "title": "Regular 2G",
    "download": 32000,
    "upload": 6400,
    "latency": 300
  },
  {
    "title": "Good 2G",
    "download": 57600,
    "upload": 19200,
    "latency": 150
  },
  {
    "title": "Regular 3G",
    "download": 96000,
    "upload": 32000,
    "latency": 100
  },
  {
    "title": "Good 3G",
    "download": 196608,
    "upload": 96000,
    "latency": 40
  },
  {
    "title": "Emerging Markets 3G",
    "download": 400000,
    "upload": 400000,
    "latency": 400
  },
  {
    "title": "Regular 4G",
    "download": 524288,
    "upload": 393216,
    "latency": 20
  },
  {
    "title": "DSL",
    "download": 262144,
    "upload": 131072,
    "latency": 5
  },
  {
    "title": "WiFi",
    "download": 3932160,
    "upload": 1966080,
    "latency": 2
  }
]