Ceilometer package install support.

Adds package install type support to the ceilometer elements, previously
only the source install type was available.

Depends on the ceilometer service mappings added in:
Id139a7c208659ead6330842bec01f7466d7ba417

Change-Id: Ib93be051d06b26e901cd382a8622dadf4c3e5916
Merge "Ceilometer package install support."