message: Move Angular CLI to prod dependencies
  (To make build work on Heroku and Docker)
diff: "dependencies": {
  "@angular/animations": "^6.0.1",
  "@angular/cdk": "^6.0.1",
  + "@angular/cli": "~6.0.0",
  "@angular/common": "^6.0.0",
  "@angular/compiler": "^6.0.0",
  "@angular/core": "^6.0.0",
  "@angular/compiler-cli": "^6.0.0",
  "@angular-devkit/build-angular": "~0.6.0",
  "typescript": "~2.7.2",
  - "@angular/cli": "~6.0.0",
  "@angular/language-service": "^6.0.0",
  "@types/jasmine": "~2.8.6",
  "@types/jasminewd2": "~2.0.3",
  