One of your plugins incorrectly registered an external accessory using the platform name (Camera-ffmpeg) and not the plugin identifier. Please report this to the developer!
<!-- You must use the issue template below when submitting a bug -->

**Describe The Bug:**
When launching homebridge 1.0.0 with this plugin, I get this warning message:
"One of your plugins incorrectly registered an external accessory using the platform name (Camera-ffmpeg) and not the plugin identifier. Please report this to the developer!"

**To Reproduce:**
Launch homebridge 1.0.0 with this plugin and one camera defined

**Expected behavior:**
Fix what is described? Only a warning so everything still working but could be better to solve

**Logs:**
[4/27/2020, 11:51:54 AM] [Camera-ffmpeg] Initializing Camera-ffmpeg platform...
[4/27/2020, 11:51:54 AM] One of your plugins incorrectly registered an external accessory using the platform name (Camera-ffmpeg) and not the plugin identifier. Please report this to the developer!
[4/27/2020, 11:51:54 AM] Camera Garage is running on port 52100.
[4/27/2020, 11:51:54 AM] Please add [Camera Garage] manually in Home app.

**Homebridge Config:**

        {
            "cameras": [
                {
                    "name": "Camera Garage",
                    "manufacturer": "D-Link",
                    "model": "DCS-932L",
                    "serialNumber": "123456",
                    "firmwareRevision": "1.14",
                    "motion": true,
                    "videoConfig": {
                        "source": "-re -f mjpeg -i http://XXX:XXX@XXX/mjpeg.cgi -i http://XXX:XXX@XXX/audio.cgi",
                        "stillImageSource": "-f mjpeg -i http://XXX:XXX@XXX/mjpeg.cgi",
                        "maxStreams": 2,
                        "maxWidth": 640,
                        "maxHeight": 480,
                        "maxFPS": 30,
                        "audio": false,
                        "motion": true,
                        "debug": false
                    }
                }
            ],
            "platform": "Camera-ffmpeg"
        }

**Screenshots:**
<!-- If applicable, add screenshots to help explain your problem. -->

**Environment:**

* **Node.js Version**: 12,16,2
* **NPM Version**: 6,14,4
* **Homebridge Version**: 1,0,0
* **Homebridge Camera FFmpeg Version**:0,1,17
* **Homebridge Config UI X Plugin Version**:4,16,0
* **Operating System**: Docker

