Samples update

Updating the samples to follow current guidelines. E.g. wwwroot, add a reference to helios, etc..

There's a second commit that adds a sln and kproj files so that people can actually open and run the samples.  Alternately we could move these samples to entropy and link to them there.

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Looks good to me :shipit: 

I remember in one of the discussions @danroth27 wanted the samples in home repo to contain as much less configuration as possible. @danroth27 to comment on `version` information in samples `project.json`.