ADD openstack chart with values_overrides
* rabbitmq
* mariadb
* memcached
* keystone
* heat
* glance
This adds umbrella chart that references other charts via
symlink and include global values.
Because chart valeus_overrides yaml apply to the main chart,
the umbrella chart has a chart-scoped replacement
ADD openstack.sh deploy script
This script deploys all components with a single release.
ADD corresponding release notes
CHG wait-for-pods-sh to accept timeout arguement
CHG get-values-overrides.sh to modify file path for subchart
Change-Id: I25cd9d6785c61540d6329657c0358f27299d3647
1157d95b71