Created NuGet packages and moved the demo project to a separate repository.

In preparation for switching the project template to NuGet, created the necessary NuGet packages. The demo project has also been switched to NuGet and moved to a separate repository.

Bug: #8
Reworked project template to be a separate, unused, project and to work with NuGet.

Bug: #8, #20
Added MSBuild task to automatically create a context on build.

Bug: #25
Removed samples directory.

Bug: #20