* Upgrade to Gradle 5.2.1, SonarQube 2.7, asciidoctor 1.5.10, Apache Sshd 2.2.0, AsertJ 3.12.0, Curator Framework 4.1.0, room Tool 1.12.0, Checkstyle 8.17 * remove Eclipse Link support in JPA tests since it is not compatible with Java 11 * Move 5.1 changes to the `changes-5.0-5.1.adoc`; start new "What's New"