It's all over the forums; there's no EZ way to do ng-include in Angular 2. Just grabbing an HTML page and dumping it into a DOM element can be quite a procedure now.
Here's an easy way to do it, article is here:
http://www.tcoz.com/newtcoz/#/errataIf you know of any other way to do this in a more "correct" way that still uses straight HTML files and simple selectors, it'd be great to see it. I've looked at a number of things and nothing really seems to "just do it" like this.