Fixed javadoc warnings & added a few deprecations.

Change-Id: I89205b08bc5fcbfed769c489609a46d420ee227e
diff --git a/utils/misc/src/main/java/org/onlab/util/TriConsumer.java b/utils/misc/src/main/java/org/onlab/util/TriConsumer.java
index 754c7da..2d73c58 100644
--- a/utils/misc/src/main/java/org/onlab/util/TriConsumer.java
+++ b/utils/misc/src/main/java/org/onlab/util/TriConsumer.java
@@ -17,6 +17,10 @@
 
 /**
  * A consumer that accepts three arguments.
+ *
+ * @param <U> type of first argument
+ * @param <V> type of second argument
+ * @param <W> type of third argument
  */
 public interface TriConsumer<U, V, W> {