Bumped version number to 2.0. Upgraded to Spring Boot 2.0.
Stuff disabled in the meantime:
- Cassandra: needs API adaptions in configuration
- JPA > Security: test fails with weird Hibernate error
- Redis > Reactive: API updates needed
- Solr: configration updates necessary
adjust versions
Updated elastic search to the new version.
Fixed the reactor version to Bismuth-BUILD-SNAPSHOT. This probably should be undone when boot references the proper bom.
Got rid of Guava dependency in favor of JDK 8's Optional. Upgraded basic JPA example to Spring Data Hopper to get access to the newly introduced functionality.
Abbreviated JPA sample module folder names. Renamed the Java 8 auditing sample module to Java 8 module as it not only contains samples for auditing anymore.
