Checking in changes prior to tagging of version 0.6.

Changelog diff is:

diff --git a/Changes b/Changes
index 40b30e1..fefd9c9 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Net-Hadoop-WebHDFS

 {{$NEXT}}

+0.6 2014-08-20T02:59:00Z
+
+   - Add 'touchz' method
+
 0.5 2014-06-03T10:05:18Z

    - support Namenode HA