Changed the cachekey for Akamai properties
Changed the cachekey for Akamai properties

This change allows the digital property name to appear in logs
rather than the origin.  Assets will be cached on the Akamai
Edge using the digital property name (aka the domain hostname)
rather than the origin.

Change-Id: I2814d13472cb1fa23b7517b67fa2ea866ebc3319

openstack/poppy,stackforge/poppy,openstack/poppy,obulpathi/poppy,obulpathi/poppy,stackforge/poppy,obulpathi/poppy,stackforge/poppy,openstack/poppy