Adapt synced puppet-ceilometer for Fuel usage

Requires Idd6b512a4adafc31cd0c80ccf0ca59a18b43d98e

Also includes bugfixes for:
- ceilometer::agent::notification
- ceilometer::params

Which are already included in upstream master.

Implements: blueprint merge-openstack-puppet-modules
Change-Id: I247bdd628c9756ad26bc4471f10dd9f872744d8b
Merge "Adapt synced puppet-ceilometer for Fuel usage"