feat(core): Add DefaultConfiguratorFactory for JBoss Log Manager 3.x.

Change-Id: I6bf88c9e6c8c4aba303cc1d18e8f18c917dd6b88
diff --git a/examples/spring-boot/pom.xml b/examples/spring-boot/pom.xml
index 2940c66..8cb994a 100644
--- a/examples/spring-boot/pom.xml
+++ b/examples/spring-boot/pom.xml
@@ -42,7 +42,7 @@
     <dependency>
       <groupId>org.jboss.slf4j</groupId>
       <artifactId>slf4j-jboss-logmanager</artifactId>
-      <version>1.1.0.Final</version>
+      <version>2.0.1.Final</version>
     </dependency>
     <!-- *** optional ***
     <dependency>
@@ -97,6 +97,11 @@
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
         <version>${spring-boot.version}</version>
+        <configuration>
+          <systemPropertyVariables>
+            <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+          </systemPropertyVariables>
+        </configuration>
       </plugin>
     </plugins>
   </build>