Visual Studio 2015 comes with built in support for tools like Grunt, Bower, Gulp and NPM for ASP.NET 5 projects.
However when I create a ASP.NET 4.5.2 project using
It is actually not too different. It is just that there is better support for all these inside Visual Studio, for example when you add new items you have templates for bower or npm config files. Also you have templates for gulp or grunt configuration files.
But the actually calling of grunt/gulp tasks and binding them to build events is still done with Task Runner Explorer, just like in VS 2013.