List leave types

Example response

{
  "data": [
    {
      "id": 1,
      "description": "Paid time off",
      "guid": "bd5fa048-b3f4-467a-a3b5-18211d488d21",
      "name": "Vacation",
      "created_at": "2013-09-10T21:31:06Z",
      "updated_at": "2013-09-10T21:31:06Z",
      "type": "LeaveType",
      "uid": "leavetype-1234567"
    }
  ],
  "paging": {
    "per_page": 100,
    "page": 2,
    "previous": "/api/v1/users?per_page=1000&page=1",
    "self": "/api/v1/users?per_page=1000&page=2",
    "next": "/api/v1/users?per_page=1000&page=3"
  }
}