Matt Riedemann c175c8d579 api-ref: document the power_state enum values
The OS-EXT-STS:power_state attribute in a server GET response
is enum values which are meaningless unless you look at the
nova/compute/power_states.py code. This change adds a mapping
to the description on that field in the api-ref.

Note there are gaps in the sequence, those are for unused values
as seen in the nova.objects.fields.InstancePowerState class.

Change-Id: I2ef9f493e66ab04b13f439e73247dc306a1514b4
2016-11-01 17:39:17 -04:00
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