Update Microsoft.AspNetCore.Blazor.Templates.nuspec

Bump version to 0.6.0-preview1-final

Bump version to 0.5.1 (rtm)

Bump version to 0.5.0 (rtm)

Bump version to 0.4.0 final

Update version to 0.3.0 rtm final

Update version to 0.2.1 (rtm)

Update version to 0.2.0 final (RTM)

Update version to 0.1.0 (RTM final)