* Raised minimum required Java version to 1.8

* Updade to Spring Boot 2.x

* All client properties from `spring.boot.admin.client.*` have been renamed to `sbadmin.client.instance` 

* All client properties under `spring.boot.admin.*` have been renamed to `sbadmin.client`.

* All server properties under `spring.boot.admin.*` have been renamed to `sbadmin.*`.
