message: Make typescript a peerDependency so apps can control whether they use 2.6 or 2.7
diff: "ts-loader": "^4.1.0",
  "tslint": "^5.2.0",
  "tslint-loader": "^3.6.0",
  - "typescript": "~2.4.0",
  "uglifyjs-webpack-plugin": "^1.2.4",
  "url-loader": "^1.0.1",
  "webpack": "^4.1.1",
  "peerDependencies": {
  "react": "^16.1.1",
  "react-dom": "^16.1.1",
  - "react-test-renderer": "^16.1.1"
  + "react-test-renderer": "^16.1.1",
  + "typescript": "~2.6.0"
  + },
  + "devDependencies": {
  + "react": "^16.1.1",
  + "react-dom": "^16.1.1",
  + "react-test-renderer": "^16.1.1",
  + "typescript": "~2.6.0"
  }
  }
  