Best Parts of Aurelia Part 1 - Composing custom elements / templates

In a renewal of a previous set of posts that I did around Durandal.js, I wanted to start a new series on Aurelia, the successor to Durandal.js and Caliburn.Micro.  Aurelia is an awesome collection of libraries that make up an amazing framework that is focused on future specs of the JavaScript language while still supporting a large set of current browsers.