Ignore 'node_modules' directory
Install Gulp.js, CoffeeScript and Bower via NPM
Add bower.json
Ignore 'bower_components' directory
Install Angular.js via Bower
Add Gulpfile
Install gulp-tsc via NPM
Add watch task for TypeScript
Install main-bower-files via NPM
Add bower task
Ignore 'grails-app/assets/vendor' directory