Merge pull request #4 from MirantisDellCrowbar/task/DCB-158/pebbles/master

Task/dcb 158/pebbles/master
rhel/centos initial support
rhel/centos support
Merge branch 'feature/DCB-149/pebbles/master' into feature/DCB-149-merge/pebbles/master

Conflicts:
	chef/cookbooks/ceilometer/recipes/server.rb
missed templates
style fix
Merge pull request #17 from MirantisDellCrowbar/feature/DCB-149-merge/pebbles/master

https://github.com/crowbar/barclamp-ceilometer/pull/17

Merged by devtool for rajinir
Restrict mongodb listening to admin network

Less exposure to potential security issues.