Added new Attributes to the example environment

Added the ceilometer api
Added the ceilometer central agent
Added the heat api
Added the heat api cfn
Added the heat cloudwatch
Update submodules
Update submodule
Update submodules
Update submodule
Merge branch 'v4.2.1rc' of github.com:rcbops/chef-cookbooks into v4.2.1rc
Update openstack-ha submodule for v4.2.1rc branch