Propsed ScriptTagHelper

- ScriptTagHelper added that changes src attribute to minified file name if it exists
- Changed the TagHelperSample.Web to support self-host (k web)
- Added Tag Helper projects to Mvc.NoFun.sln
- #1524
have you tested this end-to-end?  not sure whether we also need an `IConfigureOptions<MvcOptions>` implementation.