Update javadoc, version 7 is also valid

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1542039 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/ear/AbstractEarMojo.java b/src/main/java/org/apache/maven/plugin/ear/AbstractEarMojo.java
index 4bcbda8..0d8a2e4 100644
--- a/src/main/java/org/apache/maven/plugin/ear/AbstractEarMojo.java
+++ b/src/main/java/org/apache/maven/plugin/ear/AbstractEarMojo.java
@@ -54,7 +54,7 @@
 
     /**
      * The version of the application.xml to generate. Valid values
-     * are 1.3, 1.4, 5 and 6.
+     * are 1.3, 1.4, 5, 6 and 7.
      */
     @Parameter( defaultValue = "1.3" )
     protected String version;