message: fix(server): sample app using old counter interface
diff: "description": "Simple Global Counter Activity",
  "activity": {
  "ref": "github.com/project-flogo/contrib/activity/counter",
  - "input": {
  - "counterName": "number",
  - "increment": "true",
  - "reset": "false"
  + "settings": {
  + "counterName": "myCounter"
  }
  }
  },
  