message: Use npm instead of yarn for the build process
diff: "prettier": "prettier --write \"src/**/*.{js,jsx,ts,tsx,json}\"",
  "lint": "tslint --project ./tsconfig.json",
  "lintfix": "tslint --fix --project ./tsconfig.json",
  - "start": "yarn copy-fonts && yarn copy-img && yarn build-css && yarn prettier && REACT_APP_VERSION=$npm_package_version REACT_APP_NAME=$npm_package_name REACT_APP_GIT_HASH=$(git rev-parse HEAD) react-scripts-ts start",
  - "build": "yarn copy-fonts && yarn copy-img && yarn build-css && yarn prettier && REACT_APP_VERSION=$npm_package_version REACT_APP_NAME=$npm_package_name REACT_APP_GIT_HASH=$(git rev-parse HEAD) react-scripts-ts build",
  + "start": "npm run copy-fonts && npm run copy-img && npm run build-css && npm run prettier && REACT_APP_VERSION=$npm_package_version REACT_APP_NAME=$npm_package_name REACT_APP_GIT_HASH=$(git rev-parse HEAD) react-scripts-ts start",
  + "build": "npm run copy-fonts && npm run copy-img && npm run build-css && npm run prettier && REACT_APP_VERSION=$npm_package_version REACT_APP_NAME=$npm_package_name REACT_APP_GIT_HASH=$(git rev-parse HEAD) react-scripts-ts build",
  "kiali": "node ./src/__itests__/Kiali.app.standalone.ts",
  - "test": "yarn prettier && react-scripts-ts test --env=jsdom __tests__",
  + "test": "npm run prettier && react-scripts-ts test --env=jsdom __tests__",
  "itest": "export CI=true && react-scripts-ts test __itests__",
  "eject": "react-scripts-ts eject",
  "set-snapshot-version": "npm-snapshot",
  - "precommit": "yarn prettier --list-different || (echo 'Above file(s) were modified by prettier, check them before commiting' && false)"
  + "precommit": "npm run prettier --list-different || (echo 'Above file(s) were modified by prettier, check them before commiting' && false)"
  },
  "devDependencies": {
  "@types/enzyme": "3.1.10",
  