Updated the nuspec file.
Implemented the LazyRelay class.
Added LazyRelay to Customizations of Fixture.
Added the scenario test.
Added the description to explain

what the test does.
Implemented creating a Lazy instance

using BuildAttribute.
Added the scenario test.
Addressed the code analysis warnings.
Incremented minor version

in order to indicate that creating a Lazy instance using BuildAttribute
is the new feature.