Fix hiera compute class name
longer default timeout for mongodb

The default systemd TimeoutStartSec of 30 seconds isn't long enough on
slow systems.  Make it 240 seconds so we don't timeout (mainly an
issue the first time mongodb is started).
Merge pull request #412 from jistr/hiera_compute_class

Fix hiera compute class name
Hiera - Multiple scenarios support [AIO Part I]

A scenario contains puppet classes and/or any other defined scenario.
The generated puppet classes is then included.

Serves CI/CD purposes and helps with AIO approach.

It's using Hieara YAML by adding scenario and scenarii parameters

Please check puppet/modules/quickstack/data/README.md

The included manifests have to be supported for Roles support.
Another commit to follow providing neutron manifests refactored

Requires: "parser=future" in puppet.conf
Merge pull request #419 from gildub/AIO-part1--scenes

Hiera - Multiple scenarios support [AIO Part I]
Merge pull request #418 from cwolferh/mongodb_timeout

longer default timeout for mongodb
BZ #1173217 - Errors in /var/log/ceilometer/collector.log.

https://bugzilla.redhat.com/show_bug.cgi?id=1173217

The rabbit host/hosts values were being incorrectly set, causing ceilometer to
attempt to call rabbit on the incorrect IP.
Merge pull request #424 from jguiditta/BZ1173217-ceilo-rabbit-fix

BZ #1173217 - Errors in /var/log/ceilometer/collector.log.