Improve consistency in API
Improve consistency in API

Removed sections that are no longer required [1].
Updated header flags
Improved indentation and lists

[1] https://wiki.openstack.org/wiki/ConfigOptionsConsistency

Blueprint centralize-config-options-newton

Change-Id: I7116f3ea89a4c38fad6a339bbfc6a3b8af2e0d60

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