Update README.md

Remove dnvm scripts

Remove dnvm scripts

Update for 1.1 release

Update for ASP.NET Core 1.1 Preview 1

Update for 1.0.1

Update Home for 1.0.0 (dotnet#1597)

Merge pull request dotnet#1436 from aspnet/glennc/rc2

Update the readme for RC2.

Merge pull request dotnet#1436 from aspnet/glennc/rc2

Update the readme for RC2.

update tags