updating cloud client changelog for release

cloud-client/nimbus-cloud-client-src/CHANGES.txt

@@ -1,3 +1,19 @@
+
+nimbus-cloud-client-021
+-----------------------
+[*] Added support to associate metadata with images
+    https://github.com/nimbusproject/nimbus/issues/73
+
+[*] Added --help output for lesser known features
+    https://github.com/nimbusproject/nimbus/issues/80
+
+[*] Added support to see on what physical hostname a given VM is running
+    (assuming the cloud admin enables this feature)
+    https://github.com/nimbusproject/nimbus/issues/79
+
+[*] Eliminated the display of secrets from the debug output
+    https://github.com/nimbusproject/nimbus/issues/72
+
 nimbus-cloud-client-020
 -----------------------
 [*] Set the permissions on --common upload so that all users can read it.

service/client/java/source/src/org/globus/workspace/cloud/client/cloud-help.txt

@@ -77,3 +77,14 @@ Workspace Cloud Client.  See README.txt for examples and overview.
       * Required terminate option:
           --handle <handle>      Handle of one to terminate (e.g. "vm-023")
                                  or cluster to terminate (e.g. "cluster-012")
+
+-----------------------------------------------------------------------------
+
+    --common       Force the interaction with images in the common namespace
+                   (often labeled "read/only").  This command is useful with
+                   the following actions:
+
+                   --run
+                   --transfer
+                   --download
+                   --delete