message: Use ts extensions for engine build
diff: "start-server": "babel-node --extensions '.js,.ts' server.js",
  "start-debug": "babel-node server.js",
  "start-prod-server": "babel-node server.js",
  - "test": "mocha --require setup-tests.js './{,!(node_modules)/**/}*.spec.{js,ts}' --preserve-symlinks",
  - "test:watch": "mocha --watch ---require setup-tests.js --watch-extensions json './{,!(node_modules)/**/}*.spec.{js,ts}' --preserve-symlinks",
  + "test": "mocha --require setup-tests.js --preserve-symlinks './{,!(node_modules)/**/}*.spec.{js,ts}'",
  + "test:watch": "mocha --watch ---require setup-tests.js --watch-extensions json --preserve-symlinks './{,!(node_modules)/**/}*.spec.{js,ts}'",
  "test:api": "mocha",
  "serve": "babel-node --extensions '.js,.ts' server.js",
  "build": "node scripts/build",
  - "configure-engines": "babel-node configure-engines.js",
  + "configure-engines": "babel-node --extensions '.js,.ts' configure-engines.js",
  "build:transpile": "babel --extensions '.js,.ts' --ignore '**/tests/**,**/node_modules/**,*.spec.{js,ts}' ."
  },
  "author": "TIBCO Software Inc.",
  