[openstack_registry] Use new style properties

* Use new property helpers
* Added properties to spec
* Added optional OpenStack region property
* Removed unused db.database property at micro/openstack

Change-Id: I004596f79a1eb07ffac18d6e4c44bcfc533a848b
[health_monitor] Use new style properties

* Use new property helpers
* Added properties to spec
* Added hm.intervals.prune_events property
* Added optional hm.email_interval property (for email plugin)
* Added optional hm.varz_enabled property (for /varz plugin)

Change-Id: I068db03bf49e049a797440e7306541a9f587d6d4
Merge "[health_monitor] Use new style properties"
Add job specs to micro job spec

Change-Id: I805737834a2bf64c6ff019c9e6a075bca2ee8685
Merge "Add job specs to micro job spec"
Merge remote-tracking branch 'upstream/master'