JPEG upload tests

render-success.json

{
    "Image": {
      "Size": {
        "Width": 3049,
        "Height": 2105
      },
      "FileNodeId": 12525,
      "Url": "/media/5165/r11796_z11904_t3780_150x150_none_landscape.jpeg",
      "FileSize": 869449,
      "ModifiedOn": "2016-03-18T19:14:48"
    },
    "NodeId": 12526,
    "TileId": 3780,
    "Height": 150,
    "Width": 150,
    "Layout": 1,
    "ZoneId": 11904,
    "RoomId": 11796,
    "GroutColour": 0,
    "Key": "r11796_z11904_t3780_150x150_None_Landscape"
  }