Updated openstack/openstack
Project: openstack/horizon  40ea7b5d8dfc75e2e2c0c18beaea8ea65592b185

[Sahara] Added error handling for cluster template list

Added error handling when fetching cluster template list.

Change-Id: Ifffb5fc0639ed58b74e7b53e8c6f49e75a83c803
Closes-Bug: #1354597