Adjusting to enable Java SE 9 building

Author: langecode

pom.xml

@@ -161,7 +161,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.10.4</version>
+                <version>3.0.0-M1</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>