Fix sample JSON at end of quickstart
Fix sample JSON at end of quickstart

To avoid confusion, the git repository location now matches the one
in the server sample above.

Fixes gh-200

shakuzen/spring-cloud-config,fkissel/spring-cloud-config,psbateman/spring-cloud-config,thomasdarimont/spring-cloud-config,royclarkson/spring-cloud-config,appleman/spring-cloud-config,rajkumargithub/spring-cloud-config,appleman/spring-cloud-config,fkissel/spring-cloud-config,thomasdarimont/spring-cloud-config,shakuzen/spring-cloud-config,marbon87/spring-cloud-config,royclarkson/spring-cloud-config,marbon87/spring-cloud-config,appleman/spring-cloud-config,fangjing828/spring-cloud-config,mstine/spring-cloud-config,spring-cloud/spring-cloud-config,marbon87/spring-cloud-config,psbateman/spring-cloud-config,mbenson/spring-cloud-config,fangjing828/spring-cloud-config,thomasdarimont/spring-cloud-config,mbenson/spring-cloud-config,fkissel/spring-cloud-config,mstine/spring-cloud-config,shakuzen/spring-cloud-config,rajkumargithub/spring-cloud-config,spring-cloud/spring-cloud-config,psbateman/spring-cloud-config,spring-cloud/spring-cloud-config,mstine/spring-cloud-config,rajkumargithub/spring-cloud-config,royclarkson/spring-cloud-config,fangjing828/spring-cloud-config,mbenson/spring-cloud-config