Gulp tasks

Basebuild provides some built-in tasks to you, all tasks of gulp-angular are supported by basebuild-angular:

Task	Description
`gulp` or `gulp build`	to build an optimized version of your application in `dist` directory
`gulp serve` or `gulp dev`	to launch a browser sync server on your source files
`gulp serve:dist`	to launch a server on your optimized application
`gulp test`	to launch your unit tests with `Karma`
`gulp test:auto`	to launch your unit tests with `Karma` in watch mode
`gulp protractor`	to launch your e2e tests with `Protractor`
`gulp protractor:dist`	to launch your e2e tests with Protractor on the dist files