Update dependencies and fix various URLs

Change-Id: I503bd191424266efa97b26ac4318544c261352c1
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) {