message: Replaced current build task to use ngc to produce metadata
diff: "start": "webpack-dev-server",
  "build:demo": "webpack -p",
  "prebuild:dist": "npm run clean",
  - "build:dist": "webpack --config ./config/webpack.dist.js && tsc --project tsconfig.json",
  - "build:dist:aot": "webpack --config ./config/webpack.dist.js && ngc --project tsconfig.json",
  + "build:dist": "webpack --config ./config/webpack.dist.js && ngc --project tsconfig.json",
  "postbuild:dist": "uglifyjs dist/ng-chartist.js --compress --mangle --screw-ie8 -o dist/ng-chartist.min.js",
  "test": "karma start",
  "test:watch": "karma start --auto-watch --no-single-run",
  