Cleaning up Javadocs.

Change-Id: I41d075e3e6f6a26b340ce21a5baa8b238dc069ad
diff --git a/web/api/src/main/java/org/onlab/onos/rest/AbstractWebResource.java b/web/api/src/main/java/org/onlab/onos/rest/AbstractWebResource.java
index ee9adb0..b36bb1b 100644
--- a/web/api/src/main/java/org/onlab/onos/rest/AbstractWebResource.java
+++ b/web/api/src/main/java/org/onlab/onos/rest/AbstractWebResource.java
@@ -17,7 +17,7 @@
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.onlab.api.ItemNotFoundException;
+import org.onlab.util.ItemNotFoundException;
 import org.onlab.onos.codec.CodecContext;
 import org.onlab.onos.codec.CodecService;
 import org.onlab.onos.codec.JsonCodec;
@@ -69,7 +69,7 @@
      * @param message not found message
      * @param <T>     item type
      * @return item if not null
-     * @throws org.onlab.api.ItemNotFoundException if item is null
+     * @throws org.onlab.util.ItemNotFoundException if item is null
      */
     protected <T> T nullIsNotFound(T item, String message) {
         if (item == null) {
diff --git a/web/api/src/main/java/org/onlab/onos/rest/exceptions/EntityNotFoundMapper.java b/web/api/src/main/java/org/onlab/onos/rest/exceptions/EntityNotFoundMapper.java
index 4c86fe6..192a2e0 100644
--- a/web/api/src/main/java/org/onlab/onos/rest/exceptions/EntityNotFoundMapper.java
+++ b/web/api/src/main/java/org/onlab/onos/rest/exceptions/EntityNotFoundMapper.java
@@ -15,7 +15,7 @@
  */
 package org.onlab.onos.rest.exceptions;
 
-import org.onlab.api.ItemNotFoundException;
+import org.onlab.util.ItemNotFoundException;
 
 import javax.ws.rs.core.Response;
 
diff --git a/web/pom.xml b/web/pom.xml
index aad2134..b7f3c87 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -132,7 +132,7 @@
                             com.fasterxml.jackson.databind.node,
                             com.google.common.base.*,
                             org.eclipse.jetty.websocket.*,
-                            org.onlab.api.*,
+                            org.onlab.util.*,
                             org.onlab.osgi.*,
                             org.onlab.packet.*,
                             org.onlab.rest.*,