Fixes #51

Until adding these, the project would not build correctly on a Mac.

script working for SPA

Add execute permissions to build-bits.sh on macOS

fix a rebase / automatic merge issue.

Somehow, the MVC image got in there twice.

update content nodes

Bug workaround for for the CLI. It turns out that the CLI does not
handle content nodes that have multiple paths. Instead, multiple nodes
are needed.

use the standard names for the web docker images.

fix a typo and update the csproj content listings.

Also, execute nom install as part of publishing  the spa application.

Solves #47

<None Update="Pics\*">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>

<None Update="Pics">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>

See possible related bug in VS 2017:
https://github.com/dotnet/roslyn-project-system/issues/1579

with Retry with Exponential Backoff

Everything works as exepcted except SPA version which need further adjustments

Also util files to start only "external containers"

Also similar changes at the CreateOrderCommand
Plus an update to the README.md for GitHub

Solving #9

Set the fields to explicit private
Using .ToReadOnly(), but still might need to use List<> instead HashSet<> so we won't need the .ToList() conversion which is "expensive"..

- Update dockerfile to asp.net 1.1 in ordering

Refactoring related to OrderCommand (instead NewOrderCommand)
Refactoring in Buyer.IdentityGuid instead of fullname variables..

Also, showing Repository Interfaces as RepositoryContracts.