Update dependencies and fix various URLs

Change-Id: I503bd191424266efa97b26ac4318544c261352c1
diff --git a/src/main/java/com/intel/jndn/management/helpers/FetchHelper.java b/src/main/java/com/intel/jndn/management/helpers/FetchHelper.java
index b22a18a..9b6d293 100644
--- a/src/main/java/com/intel/jndn/management/helpers/FetchHelper.java
+++ b/src/main/java/com/intel/jndn/management/helpers/FetchHelper.java
@@ -44,6 +44,8 @@
 
   /**
    * Private constructor: use getData or getSegmentedData.
+   *
+   * @param face Face instance
    */
   private FetchHelper(final Face face) {
     this.face = face;
diff --git a/src/test/java/com/intel/jndn/management/TestHelper.java b/src/test/java/com/intel/jndn/management/TestHelper.java
index 492d272..5bf3bc5 100644
--- a/src/test/java/com/intel/jndn/management/TestHelper.java
+++ b/src/test/java/com/intel/jndn/management/TestHelper.java
@@ -29,6 +29,7 @@
    * Construct ByteBuffer from int[].
    *
    * @param array array to convert
+   * @return ByteBuffer instance
    */
   public static ByteBuffer
   bufferFromIntArray(final int[] array) {