Update Stackato glance image URL
Update Stackato glance image URL

This update fixes the URL used in the
glance entry for Stackato

Change-Id: I513eb485d5f93761a31b8a133d383e2c21448d7f

stackforge/apps-catalog,shayn1234/apps-catalog,stackforge/apps-catalog,shayn1234/apps-catalog,stackforge/apps-catalog,shayn1234/apps-catalog,shayn1234/apps-catalog,stackforge/apps-catalog