Fixing javadoc warnings, provided missing package javadocs and corrected group structure.

Change-Id: I2637afe49b81e8e6d10ef3bb0f2a1cf50b2564cc
diff --git a/utils/misc/src/main/java/org/onlab/packet/EAP.java b/utils/misc/src/main/java/org/onlab/packet/EAP.java
index 57d32a6..516938a 100644
--- a/utils/misc/src/main/java/org/onlab/packet/EAP.java
+++ b/utils/misc/src/main/java/org/onlab/packet/EAP.java
@@ -88,7 +88,7 @@
     /**
      * Sets the EAP identifier.
      *
-     * @param identifier
+     * @param identifier EAP identifier
      * @return this
      */
     public EAP setIdentifier(final byte identifier) {