Stable Directive
What it does
Lets you link to specific parts of your app.
How to use
Consider the following route configuration: [{ path: 'user/:name', component: UserCmp }]
When linking to this user/:name route, you can write: <a routerLink='/user/bob'>link to user component</a>
Class Overview
class RouterLink {
constructor(router: Router, route: ActivatedRoute, locationStrategy: LocationStrategy)
queryParams : {[k: string]: any}
fragment : string
preserveQu