Fixed a number of javadocs.
diff --git a/utils/misc/src/main/javadoc/org/onlab/packet/package.html b/utils/misc/src/main/javadoc/org/onlab/packet/package.html
new file mode 100644
index 0000000..78ce3e6
--- /dev/null
+++ b/utils/misc/src/main/javadoc/org/onlab/packet/package.html
@@ -0,0 +1,4 @@
+<body>
+Utilities for decoding and encoding packets of various network protocols
+and encapsulations.
+</body>