Merge pull request dotnet#5614 from adityamandaleeka/debian_84_badges

Update Debian build status badges/links to 8.4

README.md

@@ -11,7 +11,7 @@ Build Status
 |   | Debug | Release |
 |---|:-----:|:-------:|
 |**CentOS 7.1**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_centos7.1.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_centos7.1)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_centos7.1.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_centos7.1)|
-|**Debian 8.2**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_debian8.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_debian8.2)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_debian8.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_debian8.2)|
+|**Debian 8.4**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_debian8.4.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_debian8.4)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_debian8.4.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_debian8.4)|
 |**FreeBSD 10.1**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_freebsd.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_freebsd)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_freebsd.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_freebsd)|
 |**openSUSE 13.2**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_opensuse13.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_opensuse13.2)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_opensuse13.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_opensuse13.2)|
 |**OS X 10.11**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_osx.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_osx)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_osx.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_osx)|