Adding dependencies and commands for iis, web listener and khestrel to each
site.
Each website comes with a readme.md to 'anchor' the otherwise empty
folder. We have another work item tracking adding content to these.
Once VS sees a project with a wwwroot, it wants to assign a port for iis,
so I let it.
* Removing Init method and using [Activate] to activate IUrlHelper.
* Moving IViewComponentHelper to default injected properties
* Adding functional tests to verify these properties are injected \
activated
Fixes#789
Ryan Nowak
Victor Hurdugaci
Doug Bunting
David Fowler
Pranav K