The sonar.java.binaries can contain more than one directory

[dmatej]

Current JDepend Plugin does not support multiple directories separated by comma (see https://docs.sonarqube.org/display/PLUG/Java+Plugin+and+Bytecode ).

[ERROR] Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin:3.5.0.1254:sonar (sonar) on project winstrom-backend-tests: Could not analyse classes in /var/lib/jenkins/workspace/xxx/backend-tests/../connector/target/classes,
[ERROR] /var/lib/jenkins/workspace/xxx/backend-tests/../core/target/classes,
[ERROR] /var/lib/jenkins/workspace/xxx/backend-tests/../core-uiswing/target/classes,
...

See https://github.com/willemsrb/sonar-jdepend-plugin/blob/master/src/main/java/nl/futureedge/sonar/plugin/jdepend/sensor/JdependSensor.java#L65