Mario Villaplana bbd0e96c4b Add docs about creating release note when metrics change
This adds a note to the metrics documentation that changing a metric
name or removing a metric will need a release note in the future. There
was consensus about this at the most recent ironic IRC meeting. [0]

[0] http://eavesdrop.openstack.org/irclogs/%23openstack-meeting-3/%23openstack-meeting-3.2017-01-09.log.html#t2017-01-09T17:26:33

Change-Id: Ibdb4fd39a654ea06a526f346358f88b291c4e7a4
2017-01-10 21:46:05 +00:00
..
2016-05-17 07:44:44 -04:00
2016-12-13 09:31:08 +02:00
2016-08-23 12:49:04 -07:00