Index.html fix for startpanel command

Slight fix to horizon/conf index.html template. This is to fix the
"TemplateDoesNotExist" error arising from the incorrect template.

Change-Id: I60787d3986e8412630bcc506cb33ee5c742fbaad
Closes-Bug: 1325099
Merge "Index.html fix for startpanel command"
Merge branch 'master' of https://github.com/openstack/horizon