Push back to javadoc 2.9.1; 2.10 is not ready for prime time.


git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk/asf@1627329 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index c736656..a452ea0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -187,7 +187,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.10</version>
+          <version>2.9.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>