Plugin configuration HTTP API

`GET /plugins/`

Get a list of installed plugins and their configuration data.

`GET /plugins/<pluginid>`

Get information from an installed plugin.

Example result:

{
  "enabled": false,
  "id": "marinetrafficreporter",
  "name": "Marine Traffic Reporter"
}

`POST /plugins/<pluginid>/configure`

Save configuration data for a plugin. Stops and starts the plugin as a side effect.