Upgrade maven-javadoc-plugin.

git-svn-id: https://svn.apache.org/repos/asf/axis/axis2/java/rampart/trunk@1845063 13f79535-47bb-0310-9956-ffa450edef68

pom.xml

diff --git a/pom.xml b/pom.xml
index 10f0ea1..d28e81c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -192,7 +192,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>2.10.3</version>
+                    <version>3.0.1</version>
                 </plugin>
                 <plugin>
                     <groupId>com.github.veithen.alta</groupId>