Adds Support for Heat's Database Idle Timeout

Requires the following Heat patch:
  https://review.openstack.org/#/c/78007/

Previously, stack builder's full_ha scenario would configure a
30-sec idle timeout for all services except Heat.  This patch
aligns Heat with other OS services idle timeout configuration.

Change-Id: I70b32f6c02331c8acfd87dc6692df328d628f6b8
Remove advanced data mappings

Advanced isn't in the hierarchy and therefore
isn't actually used. There are mappings for keystone
region and package_ensure in there that have been
added to data_mappings/common, and the defaults have
been added to hiera_data/common.

Change-Id: I057182ebdee0ee3531fe3821186d6fa36e82ca0b
Merge "Adds Support for Heat's Database Idle Timeout"
Merge "Remove advanced data mappings"
Merge branch 'master' of https://github.com/stackforge/puppet_openstack_builder into coi-development