fix errors in revert resize api docs
fix errors in revert resize api docs

The revert resize action's documentation appears to have been copied
from the documentation for confirm resize, and missed replacing the
word 'confirm' with 'revert' in one case. This fixes that.

It also gives incorrect information about the states involved through
the revert process. This also corrects that.

Change-Id: Ib2436da238a4a7b71454ecfee81ede4054b3018e
Closes-Bug: #1593295

rajalokan/nova,jianghuaw/nova,jianghuaw/nova,cloudbase/nova,Juniper/nova,jianghuaw/nova,rajalokan/nova,klmitch/nova,sebrandon1/nova,klmitch/nova,mahak/nova,jianghuaw/nova,hanlind/nova,rahulunair/nova,phenoxim/nova,cloudbase/nova,rajalokan/nova,gooddata/openstack-nova,hanlind/nova,alaski/nova,cloudbase/nova,alaski/nova,gooddata/openstack-nova,mikalstill/nova,klmitch/nova,rajalokan/nova,klmitch/nova,rahulunair/nova,vmturbo/nova,rahulunair/nova,openstack/nova,sebrandon1/nova,gooddata/openstack-nova,sebrandon1/nova,Juniper/nova,vmturbo/nova,mikalstill/nova,mikalstill/nova,mahak/nova,vmturbo/nova,gooddata/openstack-nova,Juniper/nova,mahak/nova,phenoxim/nova,Juniper/nova,openstack/nova,vmturbo/nova,openstack/nova,hanlind/nova