Merge pull request dotnet#4454 from dotnet/marpatch

Updating 2.1.17 and 3.1.3 files with Git issue

Merge pull request dotnet#4454 from dotnet/marpatch

Updating 2.1.17 and 3.1.3 files with Git issue

Update release issue and changes link

Merge pull request dotnet#4365 from dotnet/mairaw-patch-2

Update link to go to the download page

Merge pull request dotnet#4292 from dotnet/febrel

Fixing download links for 3.1.2.md

Merge pull request dotnet#4282 from dotnet/febrel

Updating releases.json

Add ASP.NET Core issue for 3.0.2 and 3.1.1 (dotnet#4117)

Add ASP.NET Core issue for 3.0.2 and 3.1.1 (dotnet#4117)

Update 3.1.1.md (dotnet#4134)

Update releases.json