message: Removed the contributors field from package.json
  It was not up to date and github keeps that info anyways.
  Removed email address from author field in package.json.
diff: },
  "license": " Apache-2.0",
  "author": {
  - "name": "Shahar Soel",
  - "email": "shahar.soel@gmail.com"
  + "name": "Shahar Soel"
  },
  - "contributors": [
  - {
  - "name": "Firas Najjar"
  - }
  - ],
  "files": [
  "lib/src/**/*.js",
  "lib/chevrotain.d.ts",
  