Remove old documentation copying build task
Add `DocPlagiarizer` package to `Octokit`
Add `DocPlagiarizer` package to `Reactive`

project
Updating some interface documentation

where the implementation documentation seemed better.
Generate documentation comments for the

`Reactive` project
Merge pull request #396 from pmacn/docplagiarizer

Updating projects to use Docplagiarizer NuGet package