Update helm charts for 2.13 release

This includes some changes in comments to fix an issue where the
helmrepo.sh script was erroneously picking up comments. The script
will also be fixed, but the formatting did not match in all files
anyway, so this aligns all charts.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I4d31ff7cb32e13aa9eeb9e270fac282f7b317f18
diff --git a/.gitreview b/.gitreview
index b6f18ed..5f1402c 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=voltha-helm-charts.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=voltha-2.13