Building JavaScript Client Apps with gulp

Yesterday I started playing around with gulp which is a build tool for JavaScript applications. My goal was to have a build for a fully client-side application built with AngularJS and Bootstrap. In modern JavaScript apps we now need a build tool to compile various pieces, manage libraries, do production transformations (like minification), and to provide a nice development cycle when working on a project. I created a Gulp Starter project that has the following: